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Finding the Third Proportional to 8,554 and 18,716

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Solution

The third proportional to 8,554 and 18,716 is: 40,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554 : 18,716 = 18,716 : x
  2. Step 2: Convert to fraction form
    8,554/18,716 = 18,716/x
  3. Step 3: Cross multiply
    8,554x = 18,716 × 18,716
  4. Step 4: Simplify right side
    8,554x = 350,288,656
  5. Step 5: Solve for x
    x = 350,288,656/8,554
  6. Step 6: Final answer
    x = 40,950.28

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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.