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Finding the Third Proportional to 15,614 and 17,882

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Solution

The third proportional to 15,614 and 17,882 is: 20,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614 : 17,882 = 17,882 : x
  2. Step 2: Convert to fraction form
    15,614/17,882 = 17,882/x
  3. Step 3: Cross multiply
    15,614x = 17,882 × 17,882
  4. Step 4: Simplify right side
    15,614x = 319,765,924
  5. Step 5: Solve for x
    x = 319,765,924/15,614
  6. Step 6: Final answer
    x = 20,479.44

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.