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Finding the Third Proportional to 43,998 and 62,689

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Solution

The third proportional to 43,998 and 62,689 is: 89,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998 : 62,689 = 62,689 : x
  2. Step 2: Convert to fraction form
    43,998/62,689 = 62,689/x
  3. Step 3: Cross multiply
    43,998x = 62,689 × 62,689
  4. Step 4: Simplify right side
    43,998x = 3,929,910,721
  5. Step 5: Solve for x
    x = 3,929,910,721/43,998
  6. Step 6: Final answer
    x = 89,320.21

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.