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Finding the Third Proportional to 50.44 and 68.81

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Solution

The third proportional to 50.44 and 68.81 is: 93.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.44 : 68.81 = 68.81 : x
  2. Step 2: Convert to fraction form
    50.44/68.81 = 68.81/x
  3. Step 3: Cross multiply
    50.44x = 68.81 × 68.81
  4. Step 4: Simplify right side
    50.44x = 4,735.16
  5. Step 5: Solve for x
    x = 4,735.16/50.44
  6. Step 6: Final answer
    x = 93.88

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.