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Finding the Third Proportional to 6,811 and 10,185

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Solution

The third proportional to 6,811 and 10,185 is: 15,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811 : 10,185 = 10,185 : x
  2. Step 2: Convert to fraction form
    6,811/10,185 = 10,185/x
  3. Step 3: Cross multiply
    6,811x = 10,185 × 10,185
  4. Step 4: Simplify right side
    6,811x = 103,734,225
  5. Step 5: Solve for x
    x = 103,734,225/6,811
  6. Step 6: Final answer
    x = 15,230.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.