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Finding the Third Proportional to 8,877 and 19,371

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Solution

The third proportional to 8,877 and 19,371 is: 42,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877 : 19,371 = 19,371 : x
  2. Step 2: Convert to fraction form
    8,877/19,371 = 19,371/x
  3. Step 3: Cross multiply
    8,877x = 19,371 × 19,371
  4. Step 4: Simplify right side
    8,877x = 375,235,641
  5. Step 5: Solve for x
    x = 375,235,641/8,877
  6. Step 6: Final answer
    x = 42,270.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.