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Finding the Third Proportional to 273.75 and 481.50

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Solution

The third proportional to 273.75 and 481.50 is: 846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.75 : 481.50 = 481.50 : x
  2. Step 2: Convert to fraction form
    273.75/481.50 = 481.50/x
  3. Step 3: Cross multiply
    273.75x = 481.50 × 481.50
  4. Step 4: Simplify right side
    273.75x = 231,842.25
  5. Step 5: Solve for x
    x = 231,842.25/273.75
  6. Step 6: Final answer
    x = 846.91

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.