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Finding the Third Proportional to 138,231,450 and 296,976,771

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Solution

The third proportional to 138,231,450 and 296,976,771 is: 638,025,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,231,450 : 296,976,771 = 296,976,771 : x
  2. Step 2: Convert to fraction form
    138,231,450/296,976,771 = 296,976,771/x
  3. Step 3: Cross multiply
    138,231,450x = 296,976,771 × 296,976,771
  4. Step 4: Simplify right side
    138,231,450x = 88,195,202,513,586,448
  5. Step 5: Solve for x
    x = 88,195,202,513,586,448/138,231,450
  6. Step 6: Final answer
    x = 638,025,590.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.