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Finding the Third Proportional to 3,848 and 7,777

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Solution

The third proportional to 3,848 and 7,777 is: 15,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848 : 7,777 = 7,777 : x
  2. Step 2: Convert to fraction form
    3,848/7,777 = 7,777/x
  3. Step 3: Cross multiply
    3,848x = 7,777 × 7,777
  4. Step 4: Simplify right side
    3,848x = 60,481,729
  5. Step 5: Solve for x
    x = 60,481,729/3,848
  6. Step 6: Final answer
    x = 15,717.71

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.