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Finding the Third Proportional to 91,490,691 and 200,897,286

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Solution

The third proportional to 91,490,691 and 200,897,286 is: 441,134,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490,691 : 200,897,286 = 200,897,286 : x
  2. Step 2: Convert to fraction form
    91,490,691/200,897,286 = 200,897,286/x
  3. Step 3: Cross multiply
    91,490,691x = 200,897,286 × 200,897,286
  4. Step 4: Simplify right side
    91,490,691x = 40,359,719,522,165,792
  5. Step 5: Solve for x
    x = 40,359,719,522,165,792/91,490,691
  6. Step 6: Final answer
    x = 441,134,710.88

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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.