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Finding the Third Proportional to 9,890 and 16,474

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Solution

The third proportional to 9,890 and 16,474 is: 27,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890 : 16,474 = 16,474 : x
  2. Step 2: Convert to fraction form
    9,890/16,474 = 16,474/x
  3. Step 3: Cross multiply
    9,890x = 16,474 × 16,474
  4. Step 4: Simplify right side
    9,890x = 271,392,676
  5. Step 5: Solve for x
    x = 271,392,676/9,890
  6. Step 6: Final answer
    x = 27,441.12

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.