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Finding the Third Proportional to 234.84 and 261.84

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Solution

The third proportional to 234.84 and 261.84 is: 291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 261.84 = 261.84 : x
  2. Step 2: Convert to fraction form
    234.84/261.84 = 261.84/x
  3. Step 3: Cross multiply
    234.84x = 261.84 × 261.84
  4. Step 4: Simplify right side
    234.84x = 68,562.15
  5. Step 5: Solve for x
    x = 68,562.15/234.84
  6. Step 6: Final answer
    x = 291.95

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.