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Finding the Third Proportional to 69,399.56 and 150,690.66

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Solution

The third proportional to 69,399.56 and 150,690.66 is: 327,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,399.56 : 150,690.66 = 150,690.66 : x
  2. Step 2: Convert to fraction form
    69,399.56/150,690.66 = 150,690.66/x
  3. Step 3: Cross multiply
    69,399.56x = 150,690.66 × 150,690.66
  4. Step 4: Simplify right side
    69,399.56x = 22,707,673,881.06
  5. Step 5: Solve for x
    x = 22,707,673,881.06/69,399.56
  6. Step 6: Final answer
    x = 327,201.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.