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Finding the Third Proportional to 8,385,147 and 18,053,199

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Solution

The third proportional to 8,385,147 and 18,053,199 is: 38,868,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,147 : 18,053,199 = 18,053,199 : x
  2. Step 2: Convert to fraction form
    8,385,147/18,053,199 = 18,053,199/x
  3. Step 3: Cross multiply
    8,385,147x = 18,053,199 × 18,053,199
  4. Step 4: Simplify right side
    8,385,147x = 325,917,994,133,601
  5. Step 5: Solve for x
    x = 325,917,994,133,601/8,385,147
  6. Step 6: Final answer
    x = 38,868,489.02

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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.