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Finding the Third Proportional to 73.75 and 110.75

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Solution

The third proportional to 73.75 and 110.75 is: 166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.75 : 110.75 = 110.75 : x
  2. Step 2: Convert to fraction form
    73.75/110.75 = 110.75/x
  3. Step 3: Cross multiply
    73.75x = 110.75 × 110.75
  4. Step 4: Simplify right side
    73.75x = 12,265.56
  5. Step 5: Solve for x
    x = 12,265.56/73.75
  6. Step 6: Final answer
    x = 166.31

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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.