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Finding the Third Proportional to 110.63 and 166.75

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Solution

The third proportional to 110.63 and 166.75 is: 251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.63 : 166.75 = 166.75 : x
  2. Step 2: Convert to fraction form
    110.63/166.75 = 166.75/x
  3. Step 3: Cross multiply
    110.63x = 166.75 × 166.75
  4. Step 4: Simplify right side
    110.63x = 27,805.56
  5. Step 5: Solve for x
    x = 27,805.56/110.63
  6. Step 6: Final answer
    x = 251.35

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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.