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Finding the Third Proportional to 8,344 and 12,994

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Solution

The third proportional to 8,344 and 12,994 is: 20,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344 : 12,994 = 12,994 : x
  2. Step 2: Convert to fraction form
    8,344/12,994 = 12,994/x
  3. Step 3: Cross multiply
    8,344x = 12,994 × 12,994
  4. Step 4: Simplify right side
    8,344x = 168,844,036
  5. Step 5: Solve for x
    x = 168,844,036/8,344
  6. Step 6: Final answer
    x = 20,235.38

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.