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Finding the Third Proportional to 3,811 and 8,962

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Solution

The third proportional to 3,811 and 8,962 is: 21,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811 : 8,962 = 8,962 : x
  2. Step 2: Convert to fraction form
    3,811/8,962 = 8,962/x
  3. Step 3: Cross multiply
    3,811x = 8,962 × 8,962
  4. Step 4: Simplify right side
    3,811x = 80,317,444
  5. Step 5: Solve for x
    x = 80,317,444/3,811
  6. Step 6: Final answer
    x = 21,075.16

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.