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Finding the Third Proportional to 150,328.13 and 231,162.75

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Solution

The third proportional to 150,328.13 and 231,162.75 is: 355,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,328.13 : 231,162.75 = 231,162.75 : x
  2. Step 2: Convert to fraction form
    150,328.13/231,162.75 = 231,162.75/x
  3. Step 3: Cross multiply
    150,328.13x = 231,162.75 × 231,162.75
  4. Step 4: Simplify right side
    150,328.13x = 53,436,216,987.56
  5. Step 5: Solve for x
    x = 53,436,216,987.56/150,328.13
  6. Step 6: Final answer
    x = 355,463.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.