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Finding the Third Proportional to 230.88 and 346.56

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Solution

The third proportional to 230.88 and 346.56 is: 520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.88 : 346.56 = 346.56 : x
  2. Step 2: Convert to fraction form
    230.88/346.56 = 346.56/x
  3. Step 3: Cross multiply
    230.88x = 346.56 × 346.56
  4. Step 4: Simplify right side
    230.88x = 120,105.57
  5. Step 5: Solve for x
    x = 120,105.57/230.88
  6. Step 6: Final answer
    x = 520.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.