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Finding the Third Proportional to 168.75 and 365.06

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Solution

The third proportional to 168.75 and 365.06 is: 789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.75 : 365.06 = 365.06 : x
  2. Step 2: Convert to fraction form
    168.75/365.06 = 365.06/x
  3. Step 3: Cross multiply
    168.75x = 365.06 × 365.06
  4. Step 4: Simplify right side
    168.75x = 133,270.63
  5. Step 5: Solve for x
    x = 133,270.63/168.75
  6. Step 6: Final answer
    x = 789.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.