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Finding the Third Proportional to 8,407,608 and 11,981,448

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Solution

The third proportional to 8,407,608 and 11,981,448 is: 17,074,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407,608 : 11,981,448 = 11,981,448 : x
  2. Step 2: Convert to fraction form
    8,407,608/11,981,448 = 11,981,448/x
  3. Step 3: Cross multiply
    8,407,608x = 11,981,448 × 11,981,448
  4. Step 4: Simplify right side
    8,407,608x = 143,555,096,176,704
  5. Step 5: Solve for x
    x = 143,555,096,176,704/8,407,608
  6. Step 6: Final answer
    x = 17,074,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.