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Finding the Third Proportional to 131,132,472 and 285,996,864

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Solution

The third proportional to 131,132,472 and 285,996,864 is: 623,752,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,132,472 : 285,996,864 = 285,996,864 : x
  2. Step 2: Convert to fraction form
    131,132,472/285,996,864 = 285,996,864/x
  3. Step 3: Cross multiply
    131,132,472x = 285,996,864 × 285,996,864
  4. Step 4: Simplify right side
    131,132,472x = 81,794,206,217,834,496
  5. Step 5: Solve for x
    x = 81,794,206,217,834,496/131,132,472
  6. Step 6: Final answer
    x = 623,752,492.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.