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Finding the Third Proportional to 17.52 and 35.87

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Solution

The third proportional to 17.52 and 35.87 is: 73.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.52 : 35.87 = 35.87 : x
  2. Step 2: Convert to fraction form
    17.52/35.87 = 35.87/x
  3. Step 3: Cross multiply
    17.52x = 35.87 × 35.87
  4. Step 4: Simplify right side
    17.52x = 1,286.49
  5. Step 5: Solve for x
    x = 1,286.49/17.52
  6. Step 6: Final answer
    x = 73.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.