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Finding the Third Proportional to 18,179,435 and 40,394,449

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Solution

The third proportional to 18,179,435 and 40,394,449 is: 89,755,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,435 : 40,394,449 = 40,394,449 : x
  2. Step 2: Convert to fraction form
    18,179,435/40,394,449 = 40,394,449/x
  3. Step 3: Cross multiply
    18,179,435x = 40,394,449 × 40,394,449
  4. Step 4: Simplify right side
    18,179,435x = 1,631,711,510,013,601
  5. Step 5: Solve for x
    x = 1,631,711,510,013,601/18,179,435
  6. Step 6: Final answer
    x = 89,755,897.81

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.