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Finding the Third Proportional to 3,762 and 8,857

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Solution

The third proportional to 3,762 and 8,857 is: 20,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762 : 8,857 = 8,857 : x
  2. Step 2: Convert to fraction form
    3,762/8,857 = 8,857/x
  3. Step 3: Cross multiply
    3,762x = 8,857 × 8,857
  4. Step 4: Simplify right side
    3,762x = 78,446,449
  5. Step 5: Solve for x
    x = 78,446,449/3,762
  6. Step 6: Final answer
    x = 20,852.33

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.