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Finding the Third Proportional to 179.38 and 335.75

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Solution

The third proportional to 179.38 and 335.75 is: 628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.38 : 335.75 = 335.75 : x
  2. Step 2: Convert to fraction form
    179.38/335.75 = 335.75/x
  3. Step 3: Cross multiply
    179.38x = 335.75 × 335.75
  4. Step 4: Simplify right side
    179.38x = 112,728.06
  5. Step 5: Solve for x
    x = 112,728.06/179.38
  6. Step 6: Final answer
    x = 628.45

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.