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Finding the Third Proportional to 11,816 and 25,696

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Solution

The third proportional to 11,816 and 25,696 is: 55,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816 : 25,696 = 25,696 : x
  2. Step 2: Convert to fraction form
    11,816/25,696 = 25,696/x
  3. Step 3: Cross multiply
    11,816x = 25,696 × 25,696
  4. Step 4: Simplify right side
    11,816x = 660,284,416
  5. Step 5: Solve for x
    x = 660,284,416/11,816
  6. Step 6: Final answer
    x = 55,880.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.