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Finding the Third Proportional to 3,878,287 and 8,376,062

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Solution

The third proportional to 3,878,287 and 8,376,062 is: 18,090,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,287 : 8,376,062 = 8,376,062 : x
  2. Step 2: Convert to fraction form
    3,878,287/8,376,062 = 8,376,062/x
  3. Step 3: Cross multiply
    3,878,287x = 8,376,062 × 8,376,062
  4. Step 4: Simplify right side
    3,878,287x = 70,158,414,627,844
  5. Step 5: Solve for x
    x = 70,158,414,627,844/3,878,287
  6. Step 6: Final answer
    x = 18,090,052.29

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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.