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Finding the Third Proportional to 3,692 and 8,834

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Solution

The third proportional to 3,692 and 8,834 is: 21,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692 : 8,834 = 8,834 : x
  2. Step 2: Convert to fraction form
    3,692/8,834 = 8,834/x
  3. Step 3: Cross multiply
    3,692x = 8,834 × 8,834
  4. Step 4: Simplify right side
    3,692x = 78,039,556
  5. Step 5: Solve for x
    x = 78,039,556/3,692
  6. Step 6: Final answer
    x = 21,137.47

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.