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Finding the Third Proportional to 246.50 and 558.75

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Solution

The third proportional to 246.50 and 558.75 is: 1,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.50 : 558.75 = 558.75 : x
  2. Step 2: Convert to fraction form
    246.50/558.75 = 558.75/x
  3. Step 3: Cross multiply
    246.50x = 558.75 × 558.75
  4. Step 4: Simplify right side
    246.50x = 312,201.56
  5. Step 5: Solve for x
    x = 312,201.56/246.50
  6. Step 6: Final answer
    x = 1,266.54

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.