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Finding the Third Proportional to 3,842,781 and 8,279,373

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Solution

The third proportional to 3,842,781 and 8,279,373 is: 17,838,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,781 : 8,279,373 = 8,279,373 : x
  2. Step 2: Convert to fraction form
    3,842,781/8,279,373 = 8,279,373/x
  3. Step 3: Cross multiply
    3,842,781x = 8,279,373 × 8,279,373
  4. Step 4: Simplify right side
    3,842,781x = 68,548,017,273,129
  5. Step 5: Solve for x
    x = 68,548,017,273,129/3,842,781
  6. Step 6: Final answer
    x = 17,838,127.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.