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Byju's Answer
Standard VI
Mathematics
Continued or Mean Proportion
State True or...
Question
State True or False
The mean proportional of the following pairs :
a
k
and
a
k
3
is
a
k
2
A
True
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B
False
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Solution
The correct option is
A
True
Mean proportional of two numbers,
a
and
b
is
√
a
b
So, mean proportional of
a
k
,
a
k
3
is
√
a
k
×
a
k
3
=
a
×
k
2
=
a
k
2
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