Find the mean proportional between 15 and 60
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8
Answer:
x = 30
Step-by-step explanation:
Mean proportion between 15 and 60 :-
=> Let mean proportion be x
=> 15 : x :: x : 60
=> 15/x = x/60 (cross multiple)
=> x × x = 15 × 60
=> x² = 900
=> √x² = √900
=> x = 30
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