golden ratio(redirected from A+b is to a as a is to b)
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Related to A+b is to a as a is to b: Golden ratio
See golden section.
(Mathematics) the ratio of two lengths, equal in value to (1 + √5)/2, and given by b/a = (b + a)/b; it is the reciprocal of the golden section and also equal to (1 + golden section). Symbol: Φ Compare golden section