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Finding the Third Proportional to 235 and 348.75

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Solution

The third proportional to 235 and 348.75 is: 517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235 : 348.75 = 348.75 : x
  2. Step 2: Convert to fraction form
    235/348.75 = 348.75/x
  3. Step 3: Cross multiply
    235x = 348.75 × 348.75
  4. Step 4: Simplify right side
    235x = 121,626.56
  5. Step 5: Solve for x
    x = 121,626.56/235
  6. Step 6: Final answer
    x = 517.56

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.