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Finding the Third Proportional to 844 and 1,517

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Solution

The third proportional to 844 and 1,517 is: 2,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    844 : 1,517 = 1,517 : x
  2. Step 2: Convert to fraction form
    844/1,517 = 1,517/x
  3. Step 3: Cross multiply
    844x = 1,517 × 1,517
  4. Step 4: Simplify right side
    844x = 2,301,289
  5. Step 5: Solve for x
    x = 2,301,289/844
  6. Step 6: Final answer
    x = 2,726.65

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.