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Finding the Third Proportional to 119.25 and 273.94

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Solution

The third proportional to 119.25 and 273.94 is: 629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.25 : 273.94 = 273.94 : x
  2. Step 2: Convert to fraction form
    119.25/273.94 = 273.94/x
  3. Step 3: Cross multiply
    119.25x = 273.94 × 273.94
  4. Step 4: Simplify right side
    119.25x = 75,041.75
  5. Step 5: Solve for x
    x = 75,041.75/119.25
  6. Step 6: Final answer
    x = 629.28

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.