Question

Find the 3rd proportional to 1/9 , 2/3?​

Answer 1

Answer:

a:b = c:d or a:b :: c:d. From this, we will now define the proportionals. Let us begin by defining the fourth proportional.

Fourth Proportional

If a:b :: c:d or in other words a:b = c: d, then the quantity ‘d’ is what we call the fourth proportional to a, b and c.

For example, if we have 2, 3 and 4, 5 are in the proportion such that 2 and 5 are the extremes, then 5 is the fourth proportional to 2, 3, and 4.

Step-by-step explanation:

this is the answer

Answer 2

Step-by-step explanation:

third proportion= x

1/9×X=(2/3)²

or,1/9×X=4/9

or,x= 4/9÷1/9

or,X=4/9×9/1

OR,X=4

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