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Finding the Third Proportional to 7,844 and 17,762

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Solution

The third proportional to 7,844 and 17,762 is: 40,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844 : 17,762 = 17,762 : x
  2. Step 2: Convert to fraction form
    7,844/17,762 = 17,762/x
  3. Step 3: Cross multiply
    7,844x = 17,762 × 17,762
  4. Step 4: Simplify right side
    7,844x = 315,488,644
  5. Step 5: Solve for x
    x = 315,488,644/7,844
  6. Step 6: Final answer
    x = 40,220.38

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.