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Finding the Third Proportional to 170 and 301.75

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Solution

The third proportional to 170 and 301.75 is: 535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170 : 301.75 = 301.75 : x
  2. Step 2: Convert to fraction form
    170/301.75 = 301.75/x
  3. Step 3: Cross multiply
    170x = 301.75 × 301.75
  4. Step 4: Simplify right side
    170x = 91,053.06
  5. Step 5: Solve for x
    x = 91,053.06/170
  6. Step 6: Final answer
    x = 535.61

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.