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Finding the Third Proportional to 8,532 and 18,381

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Solution

The third proportional to 8,532 and 18,381 is: 39,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532 : 18,381 = 18,381 : x
  2. Step 2: Convert to fraction form
    8,532/18,381 = 18,381/x
  3. Step 3: Cross multiply
    8,532x = 18,381 × 18,381
  4. Step 4: Simplify right side
    8,532x = 337,861,161
  5. Step 5: Solve for x
    x = 337,861,161/8,532
  6. Step 6: Final answer
    x = 39,599.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.