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Finding the Third Proportional to 8,154 and 16,680

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Solution

The third proportional to 8,154 and 16,680 is: 34,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154 : 16,680 = 16,680 : x
  2. Step 2: Convert to fraction form
    8,154/16,680 = 16,680/x
  3. Step 3: Cross multiply
    8,154x = 16,680 × 16,680
  4. Step 4: Simplify right side
    8,154x = 278,222,400
  5. Step 5: Solve for x
    x = 278,222,400/8,154
  6. Step 6: Final answer
    x = 34,120.97

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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.