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Finding the Third Proportional to 182.25 and 372.88

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Solution

The third proportional to 182.25 and 372.88 is: 762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.25 : 372.88 = 372.88 : x
  2. Step 2: Convert to fraction form
    182.25/372.88 = 372.88/x
  3. Step 3: Cross multiply
    182.25x = 372.88 × 372.88
  4. Step 4: Simplify right side
    182.25x = 139,035.77
  5. Step 5: Solve for x
    x = 139,035.77/182.25
  6. Step 6: Final answer
    x = 762.88

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.