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Finding the Third Proportional to 2,155,761 and 3,381,756.75

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Solution

The third proportional to 2,155,761 and 3,381,756.75 is: 5,304,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,761 : 3,381,756.75 = 3,381,756.75 : x
  2. Step 2: Convert to fraction form
    2,155,761/3,381,756.75 = 3,381,756.75/x
  3. Step 3: Cross multiply
    2,155,761x = 3,381,756.75 × 3,381,756.75
  4. Step 4: Simplify right side
    2,155,761x = 11,436,278,716,170.56
  5. Step 5: Solve for x
    x = 11,436,278,716,170.56/2,155,761
  6. Step 6: Final answer
    x = 5,304,984.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.