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Finding the Third Proportional to 63,945,018 and 140,644,620

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Solution

The third proportional to 63,945,018 and 140,644,620 is: 309,342,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,945,018 : 140,644,620 = 140,644,620 : x
  2. Step 2: Convert to fraction form
    63,945,018/140,644,620 = 140,644,620/x
  3. Step 3: Cross multiply
    63,945,018x = 140,644,620 × 140,644,620
  4. Step 4: Simplify right side
    63,945,018x = 19,780,909,134,944,400
  5. Step 5: Solve for x
    x = 19,780,909,134,944,400/63,945,018
  6. Step 6: Final answer
    x = 309,342,459.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.