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Finding the Third Proportional to 8.27 and 18.11

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Solution

The third proportional to 8.27 and 18.11 is: 39.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.27 : 18.11 = 18.11 : x
  2. Step 2: Convert to fraction form
    8.27/18.11 = 18.11/x
  3. Step 3: Cross multiply
    8.27x = 18.11 × 18.11
  4. Step 4: Simplify right side
    8.27x = 328.13
  5. Step 5: Solve for x
    x = 328.13/8.27
  6. Step 6: Final answer
    x = 39.70

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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.