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Finding the Third Proportional to 170.44 and 198.07

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Solution

The third proportional to 170.44 and 198.07 is: 230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.44 : 198.07 = 198.07 : x
  2. Step 2: Convert to fraction form
    170.44/198.07 = 198.07/x
  3. Step 3: Cross multiply
    170.44x = 198.07 × 198.07
  4. Step 4: Simplify right side
    170.44x = 39,231.85
  5. Step 5: Solve for x
    x = 39,231.85/170.44
  6. Step 6: Final answer
    x = 230.18

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.