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Finding the Third Proportional to 246.75 and 545.25

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Solution

The third proportional to 246.75 and 545.25 is: 1,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.75 : 545.25 = 545.25 : x
  2. Step 2: Convert to fraction form
    246.75/545.25 = 545.25/x
  3. Step 3: Cross multiply
    246.75x = 545.25 × 545.25
  4. Step 4: Simplify right side
    246.75x = 297,297.56
  5. Step 5: Solve for x
    x = 297,297.56/246.75
  6. Step 6: Final answer
    x = 1,204.85

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.