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Finding the Third Proportional to 18,339,938 and 38,168,396

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Solution

The third proportional to 18,339,938 and 38,168,396 is: 79,434,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,938 : 38,168,396 = 38,168,396 : x
  2. Step 2: Convert to fraction form
    18,339,938/38,168,396 = 38,168,396/x
  3. Step 3: Cross multiply
    18,339,938x = 38,168,396 × 38,168,396
  4. Step 4: Simplify right side
    18,339,938x = 1,456,826,453,212,816
  5. Step 5: Solve for x
    x = 1,456,826,453,212,816/18,339,938
  6. Step 6: Final answer
    x = 79,434,644.39

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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.