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Finding the Third Proportional to 33.09 and 49.69

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Solution

The third proportional to 33.09 and 49.69 is: 74.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.09 : 49.69 = 49.69 : x
  2. Step 2: Convert to fraction form
    33.09/49.69 = 49.69/x
  3. Step 3: Cross multiply
    33.09x = 49.69 × 49.69
  4. Step 4: Simplify right side
    33.09x = 2,468.85
  5. Step 5: Solve for x
    x = 2,468.85/33.09
  6. Step 6: Final answer
    x = 74.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.