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Finding the Third Proportional to 1,894,869 and 2,912,589

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Solution

The third proportional to 1,894,869 and 2,912,589 is: 4,476,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,869 : 2,912,589 = 2,912,589 : x
  2. Step 2: Convert to fraction form
    1,894,869/2,912,589 = 2,912,589/x
  3. Step 3: Cross multiply
    1,894,869x = 2,912,589 × 2,912,589
  4. Step 4: Simplify right side
    1,894,869x = 8,483,174,682,921
  5. Step 5: Solve for x
    x = 8,483,174,682,921/1,894,869
  6. Step 6: Final answer
    x = 4,476,918.82

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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.