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Finding the Third Proportional to 461,325 and 991,626

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Solution

The third proportional to 461,325 and 991,626 is: 2,131,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,325 : 991,626 = 991,626 : x
  2. Step 2: Convert to fraction form
    461,325/991,626 = 991,626/x
  3. Step 3: Cross multiply
    461,325x = 991,626 × 991,626
  4. Step 4: Simplify right side
    461,325x = 983,322,123,876
  5. Step 5: Solve for x
    x = 983,322,123,876/461,325
  6. Step 6: Final answer
    x = 2,131,517.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.