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Finding the Third Proportional to 9,882 and 12,675

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Solution

The third proportional to 9,882 and 12,675 is: 16,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882 : 12,675 = 12,675 : x
  2. Step 2: Convert to fraction form
    9,882/12,675 = 12,675/x
  3. Step 3: Cross multiply
    9,882x = 12,675 × 12,675
  4. Step 4: Simplify right side
    9,882x = 160,655,625
  5. Step 5: Solve for x
    x = 160,655,625/9,882
  6. Step 6: Final answer
    x = 16,257.40

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.