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Finding the Third Proportional to 296 and 448.75

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Solution

The third proportional to 296 and 448.75 is: 680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296 : 448.75 = 448.75 : x
  2. Step 2: Convert to fraction form
    296/448.75 = 448.75/x
  3. Step 3: Cross multiply
    296x = 448.75 × 448.75
  4. Step 4: Simplify right side
    296x = 201,376.56
  5. Step 5: Solve for x
    x = 201,376.56/296
  6. Step 6: Final answer
    x = 680.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.