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Finding the Third Proportional to 130,479,940 and 207,291,366

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Solution

The third proportional to 130,479,940 and 207,291,366 is: 329,320,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,940 : 207,291,366 = 207,291,366 : x
  2. Step 2: Convert to fraction form
    130,479,940/207,291,366 = 207,291,366/x
  3. Step 3: Cross multiply
    130,479,940x = 207,291,366 × 207,291,366
  4. Step 4: Simplify right side
    130,479,940x = 42,969,710,418,145,952
  5. Step 5: Solve for x
    x = 42,969,710,418,145,952/130,479,940
  6. Step 6: Final answer
    x = 329,320,433.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.