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Finding the Third Proportional to 3,747 and 8,185

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Solution

The third proportional to 3,747 and 8,185 is: 17,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747 : 8,185 = 8,185 : x
  2. Step 2: Convert to fraction form
    3,747/8,185 = 8,185/x
  3. Step 3: Cross multiply
    3,747x = 8,185 × 8,185
  4. Step 4: Simplify right side
    3,747x = 66,994,225
  5. Step 5: Solve for x
    x = 66,994,225/3,747
  6. Step 6: Final answer
    x = 17,879.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.