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Finding the Third Proportional to 20,489,859 and 43,634,286

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Solution

The third proportional to 20,489,859 and 43,634,286 is: 92,921,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,859 : 43,634,286 = 43,634,286 : x
  2. Step 2: Convert to fraction form
    20,489,859/43,634,286 = 43,634,286/x
  3. Step 3: Cross multiply
    20,489,859x = 43,634,286 × 43,634,286
  4. Step 4: Simplify right side
    20,489,859x = 1,903,950,914,729,796
  5. Step 5: Solve for x
    x = 1,903,950,914,729,796/20,489,859
  6. Step 6: Final answer
    x = 92,921,621.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.