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Finding the Third Proportional to 11,532 and 15,882

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Solution

The third proportional to 11,532 and 15,882 is: 21,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,532 : 15,882 = 15,882 : x
  2. Step 2: Convert to fraction form
    11,532/15,882 = 15,882/x
  3. Step 3: Cross multiply
    11,532x = 15,882 × 15,882
  4. Step 4: Simplify right side
    11,532x = 252,237,924
  5. Step 5: Solve for x
    x = 252,237,924/11,532
  6. Step 6: Final answer
    x = 21,872.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.