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Finding the Third Proportional to 29,176,769 and 67,538,939

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Solution

The third proportional to 29,176,769 and 67,538,939 is: 156,340,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176,769 : 67,538,939 = 67,538,939 : x
  2. Step 2: Convert to fraction form
    29,176,769/67,538,939 = 67,538,939/x
  3. Step 3: Cross multiply
    29,176,769x = 67,538,939 × 67,538,939
  4. Step 4: Simplify right side
    29,176,769x = 4,561,508,281,245,721
  5. Step 5: Solve for x
    x = 4,561,508,281,245,721/29,176,769
  6. Step 6: Final answer
    x = 156,340,418.68

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.