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Finding the Third Proportional to 50.28 and 75.97

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Solution

The third proportional to 50.28 and 75.97 is: 114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.28 : 75.97 = 75.97 : x
  2. Step 2: Convert to fraction form
    50.28/75.97 = 75.97/x
  3. Step 3: Cross multiply
    50.28x = 75.97 × 75.97
  4. Step 4: Simplify right side
    50.28x = 5,771.25
  5. Step 5: Solve for x
    x = 5,771.25/50.28
  6. Step 6: Final answer
    x = 114.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.