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Finding the Third Proportional to 5,843 and 7,873

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Solution

The third proportional to 5,843 and 7,873 is: 10,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,843 : 7,873 = 7,873 : x
  2. Step 2: Convert to fraction form
    5,843/7,873 = 7,873/x
  3. Step 3: Cross multiply
    5,843x = 7,873 × 7,873
  4. Step 4: Simplify right side
    5,843x = 61,984,129
  5. Step 5: Solve for x
    x = 61,984,129/5,843
  6. Step 6: Final answer
    x = 10,608.27

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.