Find the mean proportion between 25 and400
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Let the mean proportion be =x
25:x::x:400
25/x=x/400
x*x=25*400
x ki power 2=10000
x=square root 10000
x=100
25:x::x:400
25/x=x/400
x*x=25*400
x ki power 2=10000
x=square root 10000
x=100
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