Finding the Third Proportional to 135,162,618 and 209,384,642
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Solution
The third proportional to 135,162,618 and 209,384,642 is: 324,364,302.45
Step by Step Solution
- Step 1: Write the proportion equation
135,162,618 : 209,384,642 = 209,384,642 : x - Step 2: Convert to fraction form
135,162,618/209,384,642 = 209,384,642/x - Step 3: Cross multiply
135,162,618x = 209,384,642 × 209,384,642 - Step 4: Simplify right side
135,162,618x = 43,841,928,305,468,160 - Step 5: Solve for x
x = 43,841,928,305,468,160/135,162,618 - Step 6: Final answer
x = 324,364,302.45
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.