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Finding the Third Proportional to 17,387 and 37,394

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Solution

The third proportional to 17,387 and 37,394 is: 80,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387 : 37,394 = 37,394 : x
  2. Step 2: Convert to fraction form
    17,387/37,394 = 37,394/x
  3. Step 3: Cross multiply
    17,387x = 37,394 × 37,394
  4. Step 4: Simplify right side
    17,387x = 1,398,311,236
  5. Step 5: Solve for x
    x = 1,398,311,236/17,387
  6. Step 6: Final answer
    x = 80,422.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.