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Finding the Third Proportional to 168.96 and 254.50

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Solution

The third proportional to 168.96 and 254.50 is: 383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.96 : 254.50 = 254.50 : x
  2. Step 2: Convert to fraction form
    168.96/254.50 = 254.50/x
  3. Step 3: Cross multiply
    168.96x = 254.50 × 254.50
  4. Step 4: Simplify right side
    168.96x = 64,768.26
  5. Step 5: Solve for x
    x = 64,768.26/168.96
  6. Step 6: Final answer
    x = 383.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.