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Finding the Third Proportional to 1,752,869 and 2,640,843

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Solution

The third proportional to 1,752,869 and 2,640,843 is: 3,978,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,869 : 2,640,843 = 2,640,843 : x
  2. Step 2: Convert to fraction form
    1,752,869/2,640,843 = 2,640,843/x
  3. Step 3: Cross multiply
    1,752,869x = 2,640,843 × 2,640,843
  4. Step 4: Simplify right side
    1,752,869x = 6,974,051,750,649
  5. Step 5: Solve for x
    x = 6,974,051,750,649/1,752,869
  6. Step 6: Final answer
    x = 3,978,649.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.