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Finding the Third Proportional to 13,452 and 20,882

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Solution

The third proportional to 13,452 and 20,882 is: 32,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452 : 20,882 = 20,882 : x
  2. Step 2: Convert to fraction form
    13,452/20,882 = 20,882/x
  3. Step 3: Cross multiply
    13,452x = 20,882 × 20,882
  4. Step 4: Simplify right side
    13,452x = 436,057,924
  5. Step 5: Solve for x
    x = 436,057,924/13,452
  6. Step 6: Final answer
    x = 32,415.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.