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Finding the Third Proportional to 62,508,572 and 129,807,928

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Solution

The third proportional to 62,508,572 and 129,807,928 is: 269,564,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508,572 : 129,807,928 = 129,807,928 : x
  2. Step 2: Convert to fraction form
    62,508,572/129,807,928 = 129,807,928/x
  3. Step 3: Cross multiply
    62,508,572x = 129,807,928 × 129,807,928
  4. Step 4: Simplify right side
    62,508,572x = 16,850,098,171,653,184
  5. Step 5: Solve for x
    x = 16,850,098,171,653,184/62,508,572
  6. Step 6: Final answer
    x = 269,564,599.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.