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Finding the Third Proportional to 33 and 35.81

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Solution

The third proportional to 33 and 35.81 is: 38.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 35.81 = 35.81 : x
  2. Step 2: Convert to fraction form
    33/35.81 = 35.81/x
  3. Step 3: Cross multiply
    33x = 35.81 × 35.81
  4. Step 4: Simplify right side
    33x = 1,282.54
  5. Step 5: Solve for x
    x = 1,282.54/33
  6. Step 6: Final answer
    x = 38.86

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.