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Finding the Third Proportional to 182.25 and 255.66

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Solution

The third proportional to 182.25 and 255.66 is: 358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.25 : 255.66 = 255.66 : x
  2. Step 2: Convert to fraction form
    182.25/255.66 = 255.66/x
  3. Step 3: Cross multiply
    182.25x = 255.66 × 255.66
  4. Step 4: Simplify right side
    182.25x = 65,360.12
  5. Step 5: Solve for x
    x = 65,360.12/182.25
  6. Step 6: Final answer
    x = 358.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.