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Finding the Third Proportional to 121,609,032 and 267,539,632

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Solution

The third proportional to 121,609,032 and 267,539,632 is: 588,586,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,609,032 : 267,539,632 = 267,539,632 : x
  2. Step 2: Convert to fraction form
    121,609,032/267,539,632 = 267,539,632/x
  3. Step 3: Cross multiply
    121,609,032x = 267,539,632 × 267,539,632
  4. Step 4: Simplify right side
    121,609,032x = 71,577,454,690,695,424
  5. Step 5: Solve for x
    x = 71,577,454,690,695,424/121,609,032
  6. Step 6: Final answer
    x = 588,586,665.92

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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.