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Finding the Third Proportional to 9,517 and 20,282

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Solution

The third proportional to 9,517 and 20,282 is: 43,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517 : 20,282 = 20,282 : x
  2. Step 2: Convert to fraction form
    9,517/20,282 = 20,282/x
  3. Step 3: Cross multiply
    9,517x = 20,282 × 20,282
  4. Step 4: Simplify right side
    9,517x = 411,359,524
  5. Step 5: Solve for x
    x = 411,359,524/9,517
  6. Step 6: Final answer
    x = 43,223.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.