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Finding the Third Proportional to 8,147 and 17,854

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Solution

The third proportional to 8,147 and 17,854 is: 39,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147 : 17,854 = 17,854 : x
  2. Step 2: Convert to fraction form
    8,147/17,854 = 17,854/x
  3. Step 3: Cross multiply
    8,147x = 17,854 × 17,854
  4. Step 4: Simplify right side
    8,147x = 318,765,316
  5. Step 5: Solve for x
    x = 318,765,316/8,147
  6. Step 6: Final answer
    x = 39,126.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.