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Finding the Third Proportional to 170.44 and 253.97

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Solution

The third proportional to 170.44 and 253.97 is: 378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.44 : 253.97 = 253.97 : x
  2. Step 2: Convert to fraction form
    170.44/253.97 = 253.97/x
  3. Step 3: Cross multiply
    170.44x = 253.97 × 253.97
  4. Step 4: Simplify right side
    170.44x = 64,500.13
  5. Step 5: Solve for x
    x = 64,500.13/170.44
  6. Step 6: Final answer
    x = 378.44

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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.