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Finding the Third Proportional to 7,879 and 11,333

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Solution

The third proportional to 7,879 and 11,333 is: 16,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879 : 11,333 = 11,333 : x
  2. Step 2: Convert to fraction form
    7,879/11,333 = 11,333/x
  3. Step 3: Cross multiply
    7,879x = 11,333 × 11,333
  4. Step 4: Simplify right side
    7,879x = 128,436,889
  5. Step 5: Solve for x
    x = 128,436,889/7,879
  6. Step 6: Final answer
    x = 16,301.17

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.