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Finding the Third Proportional to 8,554 and 18,384

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Solution

The third proportional to 8,554 and 18,384 is: 39,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554 : 18,384 = 18,384 : x
  2. Step 2: Convert to fraction form
    8,554/18,384 = 18,384/x
  3. Step 3: Cross multiply
    8,554x = 18,384 × 18,384
  4. Step 4: Simplify right side
    8,554x = 337,971,456
  5. Step 5: Solve for x
    x = 337,971,456/8,554
  6. Step 6: Final answer
    x = 39,510.34

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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.