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Finding the Third Proportional to 3,494 and 8,247

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Solution

The third proportional to 3,494 and 8,247 is: 19,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494 : 8,247 = 8,247 : x
  2. Step 2: Convert to fraction form
    3,494/8,247 = 8,247/x
  3. Step 3: Cross multiply
    3,494x = 8,247 × 8,247
  4. Step 4: Simplify right side
    3,494x = 68,013,009
  5. Step 5: Solve for x
    x = 68,013,009/3,494
  6. Step 6: Final answer
    x = 19,465.66

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.