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Finding the Third Proportional to 33.75 and 70.41

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Solution

The third proportional to 33.75 and 70.41 is: 146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.75 : 70.41 = 70.41 : x
  2. Step 2: Convert to fraction form
    33.75/70.41 = 70.41/x
  3. Step 3: Cross multiply
    33.75x = 70.41 × 70.41
  4. Step 4: Simplify right side
    33.75x = 4,957.04
  5. Step 5: Solve for x
    x = 4,957.04/33.75
  6. Step 6: Final answer
    x = 146.88

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.