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Finding the Third Proportional to 5,204 and 7,889

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Solution

The third proportional to 5,204 and 7,889 is: 11,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204 : 7,889 = 7,889 : x
  2. Step 2: Convert to fraction form
    5,204/7,889 = 7,889/x
  3. Step 3: Cross multiply
    5,204x = 7,889 × 7,889
  4. Step 4: Simplify right side
    5,204x = 62,236,321
  5. Step 5: Solve for x
    x = 62,236,321/5,204
  6. Step 6: Final answer
    x = 11,959.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.