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Finding the Third Proportional to 13,676 and 15,692

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Solution

The third proportional to 13,676 and 15,692 is: 18,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676 : 15,692 = 15,692 : x
  2. Step 2: Convert to fraction form
    13,676/15,692 = 15,692/x
  3. Step 3: Cross multiply
    13,676x = 15,692 × 15,692
  4. Step 4: Simplify right side
    13,676x = 246,238,864
  5. Step 5: Solve for x
    x = 246,238,864/13,676
  6. Step 6: Final answer
    x = 18,005.18

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.