Tamás Görbe posted:
A Mathematician's Way* of Converting Miles to Kilometers

• 1 mi ≈ 1.609 km

• The ratio of consecutive Fibonacci numbers Fₙ₊₁/Fₙ tends to the golden ratio φ ≈ 1.618 as n increases

So Fₙ mi ≈ Fₙ₊₁ km

*This is how I do it

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