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Finding the Third Proportional to 12,156 and 16,441

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Solution

The third proportional to 12,156 and 16,441 is: 22,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156 : 16,441 = 16,441 : x
  2. Step 2: Convert to fraction form
    12,156/16,441 = 16,441/x
  3. Step 3: Cross multiply
    12,156x = 16,441 × 16,441
  4. Step 4: Simplify right side
    12,156x = 270,306,481
  5. Step 5: Solve for x
    x = 270,306,481/12,156
  6. Step 6: Final answer
    x = 22,236.47

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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.