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Finding the Third Proportional to 1,244.50 and 2,608.75

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Solution

The third proportional to 1,244.50 and 2,608.75 is: 5,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.50 : 2,608.75 = 2,608.75 : x
  2. Step 2: Convert to fraction form
    1,244.50/2,608.75 = 2,608.75/x
  3. Step 3: Cross multiply
    1,244.50x = 2,608.75 × 2,608.75
  4. Step 4: Simplify right side
    1,244.50x = 6,805,576.56
  5. Step 5: Solve for x
    x = 6,805,576.56/1,244.50
  6. Step 6: Final answer
    x = 5,468.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.