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Finding the Third Proportional to 33.84 and 50.72

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Solution

The third proportional to 33.84 and 50.72 is: 76.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.84 : 50.72 = 50.72 : x
  2. Step 2: Convert to fraction form
    33.84/50.72 = 50.72/x
  3. Step 3: Cross multiply
    33.84x = 50.72 × 50.72
  4. Step 4: Simplify right side
    33.84x = 2,572.39
  5. Step 5: Solve for x
    x = 2,572.39/33.84
  6. Step 6: Final answer
    x = 76.01

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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.