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Finding the Third Proportional to 15,524 and 22,181

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Solution

The third proportional to 15,524 and 22,181 is: 31,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524 : 22,181 = 22,181 : x
  2. Step 2: Convert to fraction form
    15,524/22,181 = 22,181/x
  3. Step 3: Cross multiply
    15,524x = 22,181 × 22,181
  4. Step 4: Simplify right side
    15,524x = 491,996,761
  5. Step 5: Solve for x
    x = 491,996,761/15,524
  6. Step 6: Final answer
    x = 31,692.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.