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Finding the Third Proportional to 62,767,128 and 135,442,812

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Solution

The third proportional to 62,767,128 and 135,442,812 is: 292,266,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,767,128 : 135,442,812 = 135,442,812 : x
  2. Step 2: Convert to fraction form
    62,767,128/135,442,812 = 135,442,812/x
  3. Step 3: Cross multiply
    62,767,128x = 135,442,812 × 135,442,812
  4. Step 4: Simplify right side
    62,767,128x = 18,344,755,322,467,344
  5. Step 5: Solve for x
    x = 18,344,755,322,467,344/62,767,128
  6. Step 6: Final answer
    x = 292,266,922.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.