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Finding the Third Proportional to 3,831,786 and 6,386,067

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Solution

The third proportional to 3,831,786 and 6,386,067 is: 10,643,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,786 : 6,386,067 = 6,386,067 : x
  2. Step 2: Convert to fraction form
    3,831,786/6,386,067 = 6,386,067/x
  3. Step 3: Cross multiply
    3,831,786x = 6,386,067 × 6,386,067
  4. Step 4: Simplify right side
    3,831,786x = 40,781,851,728,489
  5. Step 5: Solve for x
    x = 40,781,851,728,489/3,831,786
  6. Step 6: Final answer
    x = 10,643,040.02

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.