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Finding the Third Proportional to 18,339,936 and 38,168,392

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Solution

The third proportional to 18,339,936 and 38,168,392 is: 79,434,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,936 : 38,168,392 = 38,168,392 : x
  2. Step 2: Convert to fraction form
    18,339,936/38,168,392 = 38,168,392/x
  3. Step 3: Cross multiply
    18,339,936x = 38,168,392 × 38,168,392
  4. Step 4: Simplify right side
    18,339,936x = 1,456,826,147,865,664
  5. Step 5: Solve for x
    x = 1,456,826,147,865,664/18,339,936
  6. Step 6: Final answer
    x = 79,434,636.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.