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If X is the mean proportional between 12.8 and 64.8, and Y is the third proportional to 38.4 an
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If X is the mean
proportional between
12.8 and 64.8, and Y is
the third proportional
to 38.4 and 57.6, Then
X:Y is equal to :
proportional between
12.8 and 64.8, and Y is
the third proportional
to 38.4 and 57.6, Then
X:Y is equal to :