this post was submitted on 16 Jul 2023
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It's true forever. The Fibonacci sequence used in this way converges on the golden ratio, which is close to the conversion of km and mi.
Someone already replied with a graph, but I also got curious and checked for some higher numbers. Sure enough, it held up.
For example:
832,040mi => 1,346,269km (actual: 1,339,039km)
So are you telling me that the inventors of the mile were using the golden ratio?
We wish they were that cool, the inventors of the modern mile were more concerned about land measurements. A square mile is 640 acres. Which neatly can be cut into quarters 3 times. 160, 40, 10.
Just a neat coincidence