Question
Download Solution PDFThe mean proportion of 169 and 144 is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The mean proportion of 169 and 144
Concept used:
If A : B :: C : D then (B × C) = (A × D)
Calculation:
Let the mean proportion be Q.
The proportion becomes = 169 : Q :: Q : 144
According to the concept,
(144 × 169) = (Q × Q)
⇒ Q2 = (144 × 169)
⇒ Q = 12 × 13
⇒ Q = 156
∴ The mean proportion of 169 and 144 is 156.
Last updated on Jul 17, 2025
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