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Finding the Third Proportional to 234 and 299.25

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Solution

The third proportional to 234 and 299.25 is: 382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234 : 299.25 = 299.25 : x
  2. Step 2: Convert to fraction form
    234/299.25 = 299.25/x
  3. Step 3: Cross multiply
    234x = 299.25 × 299.25
  4. Step 4: Simplify right side
    234x = 89,550.56
  5. Step 5: Solve for x
    x = 89,550.56/234
  6. Step 6: Final answer
    x = 382.69

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.