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Finding the Third Proportional to 1,667,593.50 and 3,640,137

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Solution

The third proportional to 1,667,593.50 and 3,640,137 is: 7,945,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,593.50 : 3,640,137 = 3,640,137 : x
  2. Step 2: Convert to fraction form
    1,667,593.50/3,640,137 = 3,640,137/x
  3. Step 3: Cross multiply
    1,667,593.50x = 3,640,137 × 3,640,137
  4. Step 4: Simplify right side
    1,667,593.50x = 13,250,597,378,769
  5. Step 5: Solve for x
    x = 13,250,597,378,769/1,667,593.50
  6. Step 6: Final answer
    x = 7,945,939.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.