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Finding the Third Proportional to 170.96 and 362.39

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Solution

The third proportional to 170.96 and 362.39 is: 768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.96 : 362.39 = 362.39 : x
  2. Step 2: Convert to fraction form
    170.96/362.39 = 362.39/x
  3. Step 3: Cross multiply
    170.96x = 362.39 × 362.39
  4. Step 4: Simplify right side
    170.96x = 131,326.97
  5. Step 5: Solve for x
    x = 131,326.97/170.96
  6. Step 6: Final answer
    x = 768.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.