Question

Find the missing number in this proportion.
?/8 =16/64

Answer 1

2/8 = 16/64
1/4 = 1/4 ..................

Answer 2

`(?)/(8)=(16)/(64)\ \ \ |cross\ multiply\\\\64?=8\cdot16\\\\64?=128\ \ \ \ |divide\ both\ sides\ by\ 64\\\\\boxed{?=2}\\\\Other\ method:\\\\(?)/(8)=(16)/(64)\\\\64:8=\boxed8\to16:\boxed8=2\\\\\boxed{(2)/(8)=(16)/(64)}`