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Finding the Third Proportional to 50 and 106.75

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Solution

The third proportional to 50 and 106.75 is: 227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50 : 106.75 = 106.75 : x
  2. Step 2: Convert to fraction form
    50/106.75 = 106.75/x
  3. Step 3: Cross multiply
    50x = 106.75 × 106.75
  4. Step 4: Simplify right side
    50x = 11,395.56
  5. Step 5: Solve for x
    x = 11,395.56/50
  6. Step 6: Final answer
    x = 227.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.