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Finding the Third Proportional to 7,927 and 12,268

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Solution

The third proportional to 7,927 and 12,268 is: 18,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927 : 12,268 = 12,268 : x
  2. Step 2: Convert to fraction form
    7,927/12,268 = 12,268/x
  3. Step 3: Cross multiply
    7,927x = 12,268 × 12,268
  4. Step 4: Simplify right side
    7,927x = 150,503,824
  5. Step 5: Solve for x
    x = 150,503,824/7,927
  6. Step 6: Final answer
    x = 18,986.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.