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Finding the Third Proportional to 33.05 and 74.67

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Solution

The third proportional to 33.05 and 74.67 is: 168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.05 : 74.67 = 74.67 : x
  2. Step 2: Convert to fraction form
    33.05/74.67 = 74.67/x
  3. Step 3: Cross multiply
    33.05x = 74.67 × 74.67
  4. Step 4: Simplify right side
    33.05x = 5,575.89
  5. Step 5: Solve for x
    x = 5,575.89/33.05
  6. Step 6: Final answer
    x = 168.73

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These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.