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Finding the Third Proportional to 22,208 and 47,680

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Solution

The third proportional to 22,208 and 47,680 is: 102,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208 : 47,680 = 47,680 : x
  2. Step 2: Convert to fraction form
    22,208/47,680 = 47,680/x
  3. Step 3: Cross multiply
    22,208x = 47,680 × 47,680
  4. Step 4: Simplify right side
    22,208x = 2,273,382,400
  5. Step 5: Solve for x
    x = 2,273,382,400/22,208
  6. Step 6: Final answer
    x = 102,367.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.