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Finding the Third Proportional to 17,877 and 39,087

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Solution

The third proportional to 17,877 and 39,087 is: 85,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877 : 39,087 = 39,087 : x
  2. Step 2: Convert to fraction form
    17,877/39,087 = 39,087/x
  3. Step 3: Cross multiply
    17,877x = 39,087 × 39,087
  4. Step 4: Simplify right side
    17,877x = 1,527,793,569
  5. Step 5: Solve for x
    x = 1,527,793,569/17,877
  6. Step 6: Final answer
    x = 85,461.41

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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.