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Finding the Third Proportional to 13,564 and 20,282

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Solution

The third proportional to 13,564 and 20,282 is: 30,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564 : 20,282 = 20,282 : x
  2. Step 2: Convert to fraction form
    13,564/20,282 = 20,282/x
  3. Step 3: Cross multiply
    13,564x = 20,282 × 20,282
  4. Step 4: Simplify right side
    13,564x = 411,359,524
  5. Step 5: Solve for x
    x = 411,359,524/13,564
  6. Step 6: Final answer
    x = 30,327.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.