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Finding the Third Proportional to 241.31 and 261.84

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Solution

The third proportional to 241.31 and 261.84 is: 284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.31 : 261.84 = 261.84 : x
  2. Step 2: Convert to fraction form
    241.31/261.84 = 261.84/x
  3. Step 3: Cross multiply
    241.31x = 261.84 × 261.84
  4. Step 4: Simplify right side
    241.31x = 68,562.15
  5. Step 5: Solve for x
    x = 68,562.15/241.31
  6. Step 6: Final answer
    x = 284.12

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.