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Finding the Third Proportional to 67.75 and 114

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Solution

The third proportional to 67.75 and 114 is: 191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.75 : 114 = 114 : x
  2. Step 2: Convert to fraction form
    67.75/114 = 114/x
  3. Step 3: Cross multiply
    67.75x = 114 × 114
  4. Step 4: Simplify right side
    67.75x = 12,996
  5. Step 5: Solve for x
    x = 12,996/67.75
  6. Step 6: Final answer
    x = 191.82

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.