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Finding the Third Proportional to 9,928 and 13,675

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Solution

The third proportional to 9,928 and 13,675 is: 18,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928 : 13,675 = 13,675 : x
  2. Step 2: Convert to fraction form
    9,928/13,675 = 13,675/x
  3. Step 3: Cross multiply
    9,928x = 13,675 × 13,675
  4. Step 4: Simplify right side
    9,928x = 187,005,625
  5. Step 5: Solve for x
    x = 187,005,625/9,928
  6. Step 6: Final answer
    x = 18,836.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.