What is the ratio of the third proportional to 0.4 and 0.8, to the mea – McqOptions

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1.	What is the ratio of the third proportional to 0.4 and 0.8, to the mean proportional between 13.5 and 0.24?
A.	8 ∶ 9
B.	5 ∶ 4
C.	7 ∶ 8
D.	9 ∶ 10
Answer» B. 5 ∶ 4

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