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Finding the Third Proportional to 121,799,972 and 267,825,928

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Solution

The third proportional to 121,799,972 and 267,825,928 is: 588,922,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,799,972 : 267,825,928 = 267,825,928 : x
  2. Step 2: Convert to fraction form
    121,799,972/267,825,928 = 267,825,928/x
  3. Step 3: Cross multiply
    121,799,972x = 267,825,928 × 267,825,928
  4. Step 4: Simplify right side
    121,799,972x = 71,730,727,709,061,184
  5. Step 5: Solve for x
    x = 71,730,727,709,061,184/121,799,972
  6. Step 6: Final answer
    x = 588,922,366.16

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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.