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Finding the Third Proportional to 789,869 and 1,190,375

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Solution

The third proportional to 789,869 and 1,190,375 is: 1,793,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,869 : 1,190,375 = 1,190,375 : x
  2. Step 2: Convert to fraction form
    789,869/1,190,375 = 1,190,375/x
  3. Step 3: Cross multiply
    789,869x = 1,190,375 × 1,190,375
  4. Step 4: Simplify right side
    789,869x = 1,416,992,640,625
  5. Step 5: Solve for x
    x = 1,416,992,640,625/789,869
  6. Step 6: Final answer
    x = 1,793,959.05

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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.