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Finding the Third Proportional to 182.44 and 216.61

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Solution

The third proportional to 182.44 and 216.61 is: 257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.44 : 216.61 = 216.61 : x
  2. Step 2: Convert to fraction form
    182.44/216.61 = 216.61/x
  3. Step 3: Cross multiply
    182.44x = 216.61 × 216.61
  4. Step 4: Simplify right side
    182.44x = 46,919.62
  5. Step 5: Solve for x
    x = 46,919.62/182.44
  6. Step 6: Final answer
    x = 257.18

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.