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Finding the Third Proportional to 746 and 1,718

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Solution

The third proportional to 746 and 1,718 is: 3,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746 : 1,718 = 1,718 : x
  2. Step 2: Convert to fraction form
    746/1,718 = 1,718/x
  3. Step 3: Cross multiply
    746x = 1,718 × 1,718
  4. Step 4: Simplify right side
    746x = 2,951,524
  5. Step 5: Solve for x
    x = 2,951,524/746
  6. Step 6: Final answer
    x = 3,956.47

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.