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Finding the Third Proportional to 3,898,944.50 and 8,694,381

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Solution

The third proportional to 3,898,944.50 and 8,694,381 is: 19,387,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,944.50 : 8,694,381 = 8,694,381 : x
  2. Step 2: Convert to fraction form
    3,898,944.50/8,694,381 = 8,694,381/x
  3. Step 3: Cross multiply
    3,898,944.50x = 8,694,381 × 8,694,381
  4. Step 4: Simplify right side
    3,898,944.50x = 75,592,260,973,161
  5. Step 5: Solve for x
    x = 75,592,260,973,161/3,898,944.50
  6. Step 6: Final answer
    x = 19,387,878.17

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.