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Finding the Third Proportional to 4,885 and 10,351

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Solution

The third proportional to 4,885 and 10,351 is: 21,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885 : 10,351 = 10,351 : x
  2. Step 2: Convert to fraction form
    4,885/10,351 = 10,351/x
  3. Step 3: Cross multiply
    4,885x = 10,351 × 10,351
  4. Step 4: Simplify right side
    4,885x = 107,143,201
  5. Step 5: Solve for x
    x = 107,143,201/4,885
  6. Step 6: Final answer
    x = 21,933.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.