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Finding the Third Proportional to 3,126 and 4,396.31

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Solution

The third proportional to 3,126 and 4,396.31 is: 6,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126 : 4,396.31 = 4,396.31 : x
  2. Step 2: Convert to fraction form
    3,126/4,396.31 = 4,396.31/x
  3. Step 3: Cross multiply
    3,126x = 4,396.31 × 4,396.31
  4. Step 4: Simplify right side
    3,126x = 19,327,563.60
  5. Step 5: Solve for x
    x = 19,327,563.60/3,126
  6. Step 6: Final answer
    x = 6,182.84

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.