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Finding the Third Proportional to 175.44 and 273.88

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Solution

The third proportional to 175.44 and 273.88 is: 427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.44 : 273.88 = 273.88 : x
  2. Step 2: Convert to fraction form
    175.44/273.88 = 273.88/x
  3. Step 3: Cross multiply
    175.44x = 273.88 × 273.88
  4. Step 4: Simplify right side
    175.44x = 75,007.52
  5. Step 5: Solve for x
    x = 75,007.52/175.44
  6. Step 6: Final answer
    x = 427.55

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.