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Finding the Third Proportional to 12,292 and 28,866

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Solution

The third proportional to 12,292 and 28,866 is: 67,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292 : 28,866 = 28,866 : x
  2. Step 2: Convert to fraction form
    12,292/28,866 = 28,866/x
  3. Step 3: Cross multiply
    12,292x = 28,866 × 28,866
  4. Step 4: Simplify right side
    12,292x = 833,245,956
  5. Step 5: Solve for x
    x = 833,245,956/12,292
  6. Step 6: Final answer
    x = 67,787.66

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.