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Finding the Third Proportional to 182.88 and 273.80

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Solution

The third proportional to 182.88 and 273.80 is: 409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.88 : 273.80 = 273.80 : x
  2. Step 2: Convert to fraction form
    182.88/273.80 = 273.80/x
  3. Step 3: Cross multiply
    182.88x = 273.80 × 273.80
  4. Step 4: Simplify right side
    182.88x = 74,964.73
  5. Step 5: Solve for x
    x = 74,964.73/182.88
  6. Step 6: Final answer
    x = 409.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.