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Finding the Third Proportional to 8,156 and 16,692

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Solution

The third proportional to 8,156 and 16,692 is: 34,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156 : 16,692 = 16,692 : x
  2. Step 2: Convert to fraction form
    8,156/16,692 = 16,692/x
  3. Step 3: Cross multiply
    8,156x = 16,692 × 16,692
  4. Step 4: Simplify right side
    8,156x = 278,622,864
  5. Step 5: Solve for x
    x = 278,622,864/8,156
  6. Step 6: Final answer
    x = 34,161.70

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.