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Finding the Third Proportional to 42,554,660 and 67,394,613

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Solution

The third proportional to 42,554,660 and 67,394,613 is: 106,734,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554,660 : 67,394,613 = 67,394,613 : x
  2. Step 2: Convert to fraction form
    42,554,660/67,394,613 = 67,394,613/x
  3. Step 3: Cross multiply
    42,554,660x = 67,394,613 × 67,394,613
  4. Step 4: Simplify right side
    42,554,660x = 4,542,033,861,419,769
  5. Step 5: Solve for x
    x = 4,542,033,861,419,769/42,554,660
  6. Step 6: Final answer
    x = 106,734,112.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.