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Finding the Third Proportional to 296 and 441.25

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Solution

The third proportional to 296 and 441.25 is: 657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296 : 441.25 = 441.25 : x
  2. Step 2: Convert to fraction form
    296/441.25 = 441.25/x
  3. Step 3: Cross multiply
    296x = 441.25 × 441.25
  4. Step 4: Simplify right side
    296x = 194,701.56
  5. Step 5: Solve for x
    x = 194,701.56/296
  6. Step 6: Final answer
    x = 657.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.