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Finding the Third Proportional to 1,819.13 and 3,399.05

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Solution

The third proportional to 1,819.13 and 3,399.05 is: 6,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.13 : 3,399.05 = 3,399.05 : x
  2. Step 2: Convert to fraction form
    1,819.13/3,399.05 = 3,399.05/x
  3. Step 3: Cross multiply
    1,819.13x = 3,399.05 × 3,399.05
  4. Step 4: Simplify right side
    1,819.13x = 11,553,519.66
  5. Step 5: Solve for x
    x = 11,553,519.66/1,819.13
  6. Step 6: Final answer
    x = 6,351.14

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.