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Finding the Third Proportional to 118.50 and 179

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Solution

The third proportional to 118.50 and 179 is: 270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.50 : 179 = 179 : x
  2. Step 2: Convert to fraction form
    118.50/179 = 179/x
  3. Step 3: Cross multiply
    118.50x = 179 × 179
  4. Step 4: Simplify right side
    118.50x = 32,041
  5. Step 5: Solve for x
    x = 32,041/118.50
  6. Step 6: Final answer
    x = 270.39

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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.