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Finding the Third Proportional to 174.38 and 375.75

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Solution

The third proportional to 174.38 and 375.75 is: 809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.38 : 375.75 = 375.75 : x
  2. Step 2: Convert to fraction form
    174.38/375.75 = 375.75/x
  3. Step 3: Cross multiply
    174.38x = 375.75 × 375.75
  4. Step 4: Simplify right side
    174.38x = 141,188.06
  5. Step 5: Solve for x
    x = 141,188.06/174.38
  6. Step 6: Final answer
    x = 809.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.