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Finding the Third Proportional to 225.75 and 543

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Solution

The third proportional to 225.75 and 543 is: 1,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.75 : 543 = 543 : x
  2. Step 2: Convert to fraction form
    225.75/543 = 543/x
  3. Step 3: Cross multiply
    225.75x = 543 × 543
  4. Step 4: Simplify right side
    225.75x = 294,849
  5. Step 5: Solve for x
    x = 294,849/225.75
  6. Step 6: Final answer
    x = 1,306.09

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.