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Finding the Third Proportional to 168.75 and 357.94

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Solution

The third proportional to 168.75 and 357.94 is: 759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.75 : 357.94 = 357.94 : x
  2. Step 2: Convert to fraction form
    168.75/357.94 = 357.94/x
  3. Step 3: Cross multiply
    168.75x = 357.94 × 357.94
  4. Step 4: Simplify right side
    168.75x = 128,119.25
  5. Step 5: Solve for x
    x = 128,119.25/168.75
  6. Step 6: Final answer
    x = 759.23

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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.