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Finding the Third Proportional to 205.88 and 348.75

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Solution

The third proportional to 205.88 and 348.75 is: 590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.88 : 348.75 = 348.75 : x
  2. Step 2: Convert to fraction form
    205.88/348.75 = 348.75/x
  3. Step 3: Cross multiply
    205.88x = 348.75 × 348.75
  4. Step 4: Simplify right side
    205.88x = 121,626.56
  5. Step 5: Solve for x
    x = 121,626.56/205.88
  6. Step 6: Final answer
    x = 590.78

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.