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Finding the Third Proportional to 12,694 and 28,106

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Solution

The third proportional to 12,694 and 28,106 is: 62,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694 : 28,106 = 28,106 : x
  2. Step 2: Convert to fraction form
    12,694/28,106 = 28,106/x
  3. Step 3: Cross multiply
    12,694x = 28,106 × 28,106
  4. Step 4: Simplify right side
    12,694x = 789,947,236
  5. Step 5: Solve for x
    x = 789,947,236/12,694
  6. Step 6: Final answer
    x = 62,229.97

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.