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Finding the Third Proportional to 987,894 and 1,489,626

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Solution

The third proportional to 987,894 and 1,489,626 is: 2,246,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,894 : 1,489,626 = 1,489,626 : x
  2. Step 2: Convert to fraction form
    987,894/1,489,626 = 1,489,626/x
  3. Step 3: Cross multiply
    987,894x = 1,489,626 × 1,489,626
  4. Step 4: Simplify right side
    987,894x = 2,218,985,619,876
  5. Step 5: Solve for x
    x = 2,218,985,619,876/987,894
  6. Step 6: Final answer
    x = 2,246,177.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.