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Finding the Third Proportional to 618,399.56 and 1,360,911.38

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Solution

The third proportional to 618,399.56 and 1,360,911.38 is: 2,994,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,399.56 : 1,360,911.38 = 1,360,911.38 : x
  2. Step 2: Convert to fraction form
    618,399.56/1,360,911.38 = 1,360,911.38/x
  3. Step 3: Cross multiply
    618,399.56x = 1,360,911.38 × 1,360,911.38
  4. Step 4: Simplify right side
    618,399.56x = 1,852,079,770,604.39
  5. Step 5: Solve for x
    x = 1,852,079,770,604.39/618,399.56
  6. Step 6: Final answer
    x = 2,994,956.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.