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Finding the Third Proportional to 16,400 and 36,992

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Solution

The third proportional to 16,400 and 36,992 is: 83,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400 : 36,992 = 36,992 : x
  2. Step 2: Convert to fraction form
    16,400/36,992 = 36,992/x
  3. Step 3: Cross multiply
    16,400x = 36,992 × 36,992
  4. Step 4: Simplify right side
    16,400x = 1,368,408,064
  5. Step 5: Solve for x
    x = 1,368,408,064/16,400
  6. Step 6: Final answer
    x = 83,439.52

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.