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Finding the Third Proportional to 8,508.80 and 18,264.87

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Solution

The third proportional to 8,508.80 and 18,264.87 is: 39,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.80 : 18,264.87 = 18,264.87 : x
  2. Step 2: Convert to fraction form
    8,508.80/18,264.87 = 18,264.87/x
  3. Step 3: Cross multiply
    8,508.80x = 18,264.87 × 18,264.87
  4. Step 4: Simplify right side
    8,508.80x = 333,605,373.38
  5. Step 5: Solve for x
    x = 333,605,373.38/8,508.80
  6. Step 6: Final answer
    x = 39,207.11

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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.