Find the mean proportion between50and98
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Step-by-step explanation:
Let the mean proportion between 50 and 98 is x
50 : x :: x : 98
a : b :: c : d = a/b = c/d
50/x = x/98
cross multiplication
50*98 = x*x
4900 = x square
Now this square comes to LHS side and becomes root
√4900 = x
700 = x
Hence, the mean proportion between 50 and 98 is 700.
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