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Finding the Third Proportional to 7,696 and 18,676

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Solution

The third proportional to 7,696 and 18,676 is: 45,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696 : 18,676 = 18,676 : x
  2. Step 2: Convert to fraction form
    7,696/18,676 = 18,676/x
  3. Step 3: Cross multiply
    7,696x = 18,676 × 18,676
  4. Step 4: Simplify right side
    7,696x = 348,792,976
  5. Step 5: Solve for x
    x = 348,792,976/7,696
  6. Step 6: Final answer
    x = 45,321.33

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.