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Finding the Third Proportional to 182 and 256.75

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Solution

The third proportional to 182 and 256.75 is: 362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182 : 256.75 = 256.75 : x
  2. Step 2: Convert to fraction form
    182/256.75 = 256.75/x
  3. Step 3: Cross multiply
    182x = 256.75 × 256.75
  4. Step 4: Simplify right side
    182x = 65,920.56
  5. Step 5: Solve for x
    x = 65,920.56/182
  6. Step 6: Final answer
    x = 362.20

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.