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Finding the Third Proportional to 33.13 and 61.75

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Solution

The third proportional to 33.13 and 61.75 is: 115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.13 : 61.75 = 61.75 : x
  2. Step 2: Convert to fraction form
    33.13/61.75 = 61.75/x
  3. Step 3: Cross multiply
    33.13x = 61.75 × 61.75
  4. Step 4: Simplify right side
    33.13x = 3,813.06
  5. Step 5: Solve for x
    x = 3,813.06/33.13
  6. Step 6: Final answer
    x = 115.11

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.