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Finding the Third Proportional to 33 and 62.75

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Solution

The third proportional to 33 and 62.75 is: 119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 62.75 = 62.75 : x
  2. Step 2: Convert to fraction form
    33/62.75 = 62.75/x
  3. Step 3: Cross multiply
    33x = 62.75 × 62.75
  4. Step 4: Simplify right side
    33x = 3,937.56
  5. Step 5: Solve for x
    x = 3,937.56/33
  6. Step 6: Final answer
    x = 119.32

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.