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Finding the Third Proportional to 227.25 and 486

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Solution

The third proportional to 227.25 and 486 is: 1,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.25 : 486 = 486 : x
  2. Step 2: Convert to fraction form
    227.25/486 = 486/x
  3. Step 3: Cross multiply
    227.25x = 486 × 486
  4. Step 4: Simplify right side
    227.25x = 236,196
  5. Step 5: Solve for x
    x = 236,196/227.25
  6. Step 6: Final answer
    x = 1,039.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.