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Finding the Third Proportional to 5,611 and 8,184

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Solution

The third proportional to 5,611 and 8,184 is: 11,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611 : 8,184 = 8,184 : x
  2. Step 2: Convert to fraction form
    5,611/8,184 = 8,184/x
  3. Step 3: Cross multiply
    5,611x = 8,184 × 8,184
  4. Step 4: Simplify right side
    5,611x = 66,977,856
  5. Step 5: Solve for x
    x = 66,977,856/5,611
  6. Step 6: Final answer
    x = 11,936.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.