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Finding the Third Proportional to 12,081 and 16,257

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Solution

The third proportional to 12,081 and 16,257 is: 21,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081 : 16,257 = 16,257 : x
  2. Step 2: Convert to fraction form
    12,081/16,257 = 16,257/x
  3. Step 3: Cross multiply
    12,081x = 16,257 × 16,257
  4. Step 4: Simplify right side
    12,081x = 264,290,049
  5. Step 5: Solve for x
    x = 264,290,049/12,081
  6. Step 6: Final answer
    x = 21,876.50

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.