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Finding the Third Proportional to 748.88 and 1,608.75

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Solution

The third proportional to 748.88 and 1,608.75 is: 3,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748.88 : 1,608.75 = 1,608.75 : x
  2. Step 2: Convert to fraction form
    748.88/1,608.75 = 1,608.75/x
  3. Step 3: Cross multiply
    748.88x = 1,608.75 × 1,608.75
  4. Step 4: Simplify right side
    748.88x = 2,588,076.56
  5. Step 5: Solve for x
    x = 2,588,076.56/748.88
  6. Step 6: Final answer
    x = 3,455.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.