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Finding the Third Proportional to 1,806,591 and 3,928,107

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Solution

The third proportional to 1,806,591 and 3,928,107 is: 8,540,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,591 : 3,928,107 = 3,928,107 : x
  2. Step 2: Convert to fraction form
    1,806,591/3,928,107 = 3,928,107/x
  3. Step 3: Cross multiply
    1,806,591x = 3,928,107 × 3,928,107
  4. Step 4: Simplify right side
    1,806,591x = 15,430,024,603,449
  5. Step 5: Solve for x
    x = 15,430,024,603,449/1,806,591
  6. Step 6: Final answer
    x = 8,540,961.74

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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.