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Finding the Third Proportional to 131,132,488 and 285,996,892

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Solution

The third proportional to 131,132,488 and 285,996,892 is: 623,752,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,132,488 : 285,996,892 = 285,996,892 : x
  2. Step 2: Convert to fraction form
    131,132,488/285,996,892 = 285,996,892/x
  3. Step 3: Cross multiply
    131,132,488x = 285,996,892 × 285,996,892
  4. Step 4: Simplify right side
    131,132,488x = 81,794,222,233,659,664
  5. Step 5: Solve for x
    x = 81,794,222,233,659,664/131,132,488
  6. Step 6: Final answer
    x = 623,752,538.22

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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.