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Finding the Third Proportional to 175.25 and 255.13

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Solution

The third proportional to 175.25 and 255.13 is: 371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.25 : 255.13 = 255.13 : x
  2. Step 2: Convert to fraction form
    175.25/255.13 = 255.13/x
  3. Step 3: Cross multiply
    175.25x = 255.13 × 255.13
  4. Step 4: Simplify right side
    175.25x = 65,088.77
  5. Step 5: Solve for x
    x = 65,088.77/175.25
  6. Step 6: Final answer
    x = 371.41

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.