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Finding the Third Proportional to 3,145 and 4,396

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Solution

The third proportional to 3,145 and 4,396 is: 6,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145 : 4,396 = 4,396 : x
  2. Step 2: Convert to fraction form
    3,145/4,396 = 4,396/x
  3. Step 3: Cross multiply
    3,145x = 4,396 × 4,396
  4. Step 4: Simplify right side
    3,145x = 19,324,816
  5. Step 5: Solve for x
    x = 19,324,816/3,145
  6. Step 6: Final answer
    x = 6,144.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.