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Finding the Third Proportional to 9,449 and 20,351

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Solution

The third proportional to 9,449 and 20,351 is: 43,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449 : 20,351 = 20,351 : x
  2. Step 2: Convert to fraction form
    9,449/20,351 = 20,351/x
  3. Step 3: Cross multiply
    9,449x = 20,351 × 20,351
  4. Step 4: Simplify right side
    9,449x = 414,163,201
  5. Step 5: Solve for x
    x = 414,163,201/9,449
  6. Step 6: Final answer
    x = 43,831.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.