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Finding the Third Proportional to 118.25 and 176.88

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Solution

The third proportional to 118.25 and 176.88 is: 264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.25 : 176.88 = 176.88 : x
  2. Step 2: Convert to fraction form
    118.25/176.88 = 176.88/x
  3. Step 3: Cross multiply
    118.25x = 176.88 × 176.88
  4. Step 4: Simplify right side
    118.25x = 31,284.77
  5. Step 5: Solve for x
    x = 31,284.77/118.25
  6. Step 6: Final answer
    x = 264.56

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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.