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Finding the Third Proportional to 63,665,856 and 136,407,726

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Solution

The third proportional to 63,665,856 and 136,407,726 is: 292,261,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665,856 : 136,407,726 = 136,407,726 : x
  2. Step 2: Convert to fraction form
    63,665,856/136,407,726 = 136,407,726/x
  3. Step 3: Cross multiply
    63,665,856x = 136,407,726 × 136,407,726
  4. Step 4: Simplify right side
    63,665,856x = 18,607,067,712,491,076
  5. Step 5: Solve for x
    x = 18,607,067,712,491,076/63,665,856
  6. Step 6: Final answer
    x = 292,261,329.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.