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Finding the Third Proportional to 119.75 and 182.13

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Solution

The third proportional to 119.75 and 182.13 is: 276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.75 : 182.13 = 182.13 : x
  2. Step 2: Convert to fraction form
    119.75/182.13 = 182.13/x
  3. Step 3: Cross multiply
    119.75x = 182.13 × 182.13
  4. Step 4: Simplify right side
    119.75x = 33,169.52
  5. Step 5: Solve for x
    x = 33,169.52/119.75
  6. Step 6: Final answer
    x = 276.99

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.