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  2. Silver ratio - Wikipedia

    en.wikipedia.org/wiki/Silver_ratio

    This defines the silver ratio as an irrational mathematical constant, whose value of one plus the square root of 2 is approximately 2.4142135623. Its name is an allusion to the golden ratio; analogously to the way the golden ratio is the limiting ratio of consecutive Fibonacci numbers, the silver ratio is the limiting ratio of consecutive Pell ...

  3. Metallic mean - Wikipedia

    en.wikipedia.org/wiki/Metallic_mean

    The metallic mean (also metallic ratio, metallic constant, or noble means[1]) of a natural number n is a positive real number, denoted here that satisfies the following equivalent characterizations: Metallic means are generalizations of the golden ratio ( ) and silver ratio ( ), and share some of their interesting properties.

  4. Silver as an investment - Wikipedia

    en.wikipedia.org/wiki/Silver_as_an_investment

    The gold/silver price ratio is often analyzed by traders, investors, and buyers. [8] The gold/silver ratio is the oldest continuously tracked exchange rate in history. [9] In Roman times, the price ratio was set at 12 (or 12.5) to 1. [10] In 1792, the gold/silver price ratio was fixed by law in the United States at 15:1, [11] which meant that ...

  5. Gold is having a moment — but silver is poised for its own ...

    www.aol.com/finance/gold-having-moment-silver...

    First, silver has slightly outperformed gold this year, but gold prices are still elevated with respect to silver on a historical basis when looking at the so-called gold-silver ratio. When the ...

  6. Bimetallism - Wikipedia

    en.wikipedia.org/wiki/Bimetallism

    The exchange rate between the weights of gold and silver was 1 to 13.3 at the time. [1] Bimetallism, [a] also known as the bimetallic standard, is a monetary standard in which the value of the monetary unit is defined as equivalent to certain quantities of two metals, typically gold and silver, creating a fixed rate of exchange between them. [3 ...

  7. Silver standard - Wikipedia

    en.wikipedia.org/wiki/Silver_standard

    Silver standard. The Spanish silver dollar created a global silver standard from the 16th to 19th centuries. The silver standard[a] is a monetary system in which the standard economic unit of account is a fixed weight of silver. Silver was far more widespread than gold as the monetary standard worldwide, from the Sumerians c. 3000 BC until 1873.

  8. Gold standard - Wikipedia

    en.wikipedia.org/wiki/Gold_standard

    The return of gold could only be possible by reducing the dollar's gold equivalence, and in the Coinage Act of 1834 the gold–silver ratio was increased to 16.0 (ratio finalized in 1837 to 15.99 when the fine gold content of the $10 eagle was set at 232.2 grains or 15.0463 g).

  9. Golden ratio - Wikipedia

    en.wikipedia.org/wiki/Golden_ratio

    In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed algebraically, for quantities and with , is in a golden ratio to if. φ. where the Greek letter phi ( or ) denotes the golden ratio.

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