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Finding the Third Proportional to 17,192 and 18,812

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Solution

The third proportional to 17,192 and 18,812 is: 20,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192 : 18,812 = 18,812 : x
  2. Step 2: Convert to fraction form
    17,192/18,812 = 18,812/x
  3. Step 3: Cross multiply
    17,192x = 18,812 × 18,812
  4. Step 4: Simplify right side
    17,192x = 353,891,344
  5. Step 5: Solve for x
    x = 353,891,344/17,192
  6. Step 6: Final answer
    x = 20,584.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.