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Finding the Third Proportional to 12,322 and 18,400

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Solution

The third proportional to 12,322 and 18,400 is: 27,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322 : 18,400 = 18,400 : x
  2. Step 2: Convert to fraction form
    12,322/18,400 = 18,400/x
  3. Step 3: Cross multiply
    12,322x = 18,400 × 18,400
  4. Step 4: Simplify right side
    12,322x = 338,560,000
  5. Step 5: Solve for x
    x = 338,560,000/12,322
  6. Step 6: Final answer
    x = 27,476.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.