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Finding the Third Proportional to 454,593 and 681,891

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Solution

The third proportional to 454,593 and 681,891 is: 1,022,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,593 : 681,891 = 681,891 : x
  2. Step 2: Convert to fraction form
    454,593/681,891 = 681,891/x
  3. Step 3: Cross multiply
    454,593x = 681,891 × 681,891
  4. Step 4: Simplify right side
    454,593x = 464,975,335,881
  5. Step 5: Solve for x
    x = 464,975,335,881/454,593
  6. Step 6: Final answer
    x = 1,022,838.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.