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Finding the Third Proportional to 150,003.75 and 219,081.75

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Solution

The third proportional to 150,003.75 and 219,081.75 is: 319,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.75 : 219,081.75 = 219,081.75 : x
  2. Step 2: Convert to fraction form
    150,003.75/219,081.75 = 219,081.75/x
  3. Step 3: Cross multiply
    150,003.75x = 219,081.75 × 219,081.75
  4. Step 4: Simplify right side
    150,003.75x = 47,996,813,183.06
  5. Step 5: Solve for x
    x = 47,996,813,183.06/150,003.75
  6. Step 6: Final answer
    x = 319,970.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.