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Finding the Third Proportional to 72,567,743 and 156,679,605

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Solution

The third proportional to 72,567,743 and 156,679,605 is: 338,283,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,567,743 : 156,679,605 = 156,679,605 : x
  2. Step 2: Convert to fraction form
    72,567,743/156,679,605 = 156,679,605/x
  3. Step 3: Cross multiply
    72,567,743x = 156,679,605 × 156,679,605
  4. Step 4: Simplify right side
    72,567,743x = 24,548,498,622,956,024
  5. Step 5: Solve for x
    x = 24,548,498,622,956,024/72,567,743
  6. Step 6: Final answer
    x = 338,283,893.20

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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.