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Finding the Third Proportional to 34.17 and 79.73

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Solution

The third proportional to 34.17 and 79.73 is: 186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.17 : 79.73 = 79.73 : x
  2. Step 2: Convert to fraction form
    34.17/79.73 = 79.73/x
  3. Step 3: Cross multiply
    34.17x = 79.73 × 79.73
  4. Step 4: Simplify right side
    34.17x = 6,357.57
  5. Step 5: Solve for x
    x = 6,357.57/34.17
  6. Step 6: Final answer
    x = 186.05

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.