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Finding the Third Proportional to 241.75 and 258.50

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Solution

The third proportional to 241.75 and 258.50 is: 276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 258.50 = 258.50 : x
  2. Step 2: Convert to fraction form
    241.75/258.50 = 258.50/x
  3. Step 3: Cross multiply
    241.75x = 258.50 × 258.50
  4. Step 4: Simplify right side
    241.75x = 66,822.25
  5. Step 5: Solve for x
    x = 66,822.25/241.75
  6. Step 6: Final answer
    x = 276.41

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.