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Finding the Third Proportional to 1,771 and 3,847

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Solution

The third proportional to 1,771 and 3,847 is: 8,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771 : 3,847 = 3,847 : x
  2. Step 2: Convert to fraction form
    1,771/3,847 = 3,847/x
  3. Step 3: Cross multiply
    1,771x = 3,847 × 3,847
  4. Step 4: Simplify right side
    1,771x = 14,799,409
  5. Step 5: Solve for x
    x = 14,799,409/1,771
  6. Step 6: Final answer
    x = 8,356.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.