Finding the Third Proportional to 9,712,469 and 20,981,110
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Solution
The third proportional to 9,712,469 and 20,981,110 is: 45,323,900.32
Step by Step Solution
- Step 1: Write the proportion equation
9,712,469 : 20,981,110 = 20,981,110 : x - Step 2: Convert to fraction form
9,712,469/20,981,110 = 20,981,110/x - Step 3: Cross multiply
9,712,469x = 20,981,110 × 20,981,110 - Step 4: Simplify right side
9,712,469x = 440,206,976,832,100 - Step 5: Solve for x
x = 440,206,976,832,100/9,712,469 - Step 6: Final answer
x = 45,323,900.32
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.