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Finding the Third Proportional to 831,186 and 1,794,990

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Solution

The third proportional to 831,186 and 1,794,990 is: 3,876,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,186 : 1,794,990 = 1,794,990 : x
  2. Step 2: Convert to fraction form
    831,186/1,794,990 = 1,794,990/x
  3. Step 3: Cross multiply
    831,186x = 1,794,990 × 1,794,990
  4. Step 4: Simplify right side
    831,186x = 3,221,989,100,100
  5. Step 5: Solve for x
    x = 3,221,989,100,100/831,186
  6. Step 6: Final answer
    x = 3,876,375.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.