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Finding the Third Proportional to 12,867 and 19,246

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Solution

The third proportional to 12,867 and 19,246 is: 28,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867 : 19,246 = 19,246 : x
  2. Step 2: Convert to fraction form
    12,867/19,246 = 19,246/x
  3. Step 3: Cross multiply
    12,867x = 19,246 × 19,246
  4. Step 4: Simplify right side
    12,867x = 370,408,516
  5. Step 5: Solve for x
    x = 370,408,516/12,867
  6. Step 6: Final answer
    x = 28,787.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.