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Finding the Third Proportional to 121,395,620.11 and 267,005,020.78

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Solution

The third proportional to 121,395,620.11 and 267,005,020.78 is: 587,267,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395,620.11 : 267,005,020.78 = 267,005,020.78 : x
  2. Step 2: Convert to fraction form
    121,395,620.11/267,005,020.78 = 267,005,020.78/x
  3. Step 3: Cross multiply
    121,395,620.11x = 267,005,020.78 × 267,005,020.78
  4. Step 4: Simplify right side
    121,395,620.11x = 71,291,681,122,395,744
  5. Step 5: Solve for x
    x = 71,291,681,122,395,744/121,395,620.11
  6. Step 6: Final answer
    x = 587,267,325.28

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