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Finding the Third Proportional to 254.75 and 587

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Solution

The third proportional to 254.75 and 587 is: 1,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.75 : 587 = 587 : x
  2. Step 2: Convert to fraction form
    254.75/587 = 587/x
  3. Step 3: Cross multiply
    254.75x = 587 × 587
  4. Step 4: Simplify right side
    254.75x = 344,569
  5. Step 5: Solve for x
    x = 344,569/254.75
  6. Step 6: Final answer
    x = 1,352.58

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.