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Finding the Third Proportional to 33.75 and 37.75

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Solution

The third proportional to 33.75 and 37.75 is: 42.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.75 : 37.75 = 37.75 : x
  2. Step 2: Convert to fraction form
    33.75/37.75 = 37.75/x
  3. Step 3: Cross multiply
    33.75x = 37.75 × 37.75
  4. Step 4: Simplify right side
    33.75x = 1,425.06
  5. Step 5: Solve for x
    x = 1,425.06/33.75
  6. Step 6: Final answer
    x = 42.22

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.