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Finding the Third Proportional to 79.50 and 119.44

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Solution

The third proportional to 79.50 and 119.44 is: 179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.50 : 119.44 = 119.44 : x
  2. Step 2: Convert to fraction form
    79.50/119.44 = 119.44/x
  3. Step 3: Cross multiply
    79.50x = 119.44 × 119.44
  4. Step 4: Simplify right side
    79.50x = 14,265.32
  5. Step 5: Solve for x
    x = 14,265.32/79.50
  6. Step 6: Final answer
    x = 179.44

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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.