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Finding the Third Proportional to 838,686 and 1,810,161

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Solution

The third proportional to 838,686 and 1,810,161 is: 3,906,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,686 : 1,810,161 = 1,810,161 : x
  2. Step 2: Convert to fraction form
    838,686/1,810,161 = 1,810,161/x
  3. Step 3: Cross multiply
    838,686x = 1,810,161 × 1,810,161
  4. Step 4: Simplify right side
    838,686x = 3,276,682,845,921
  5. Step 5: Solve for x
    x = 3,276,682,845,921/838,686
  6. Step 6: Final answer
    x = 3,906,924.46

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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.