Step 1:

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The three numbers are in G.P.

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Let $\"\"$ are in G.P numbers.

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Their Product is $\"\"$

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Then,

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$\"\"$

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Sum is $\"\"$

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$\"\"$

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Find $\"\"$

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Substitute $\"\"$ in the $\"\"$

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$\"\"$

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The G.P numbers $\"\"$ .

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Substitute $\"\"$

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$\"\"$

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Substitute $\"\"$

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$\"\"$

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Solution:

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The three G.P numbers are,

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$\"\"$