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Finding the Third Proportional to 18,486,198 and 39,895,324

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Solution

The third proportional to 18,486,198 and 39,895,324 is: 86,098,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,198 : 39,895,324 = 39,895,324 : x
  2. Step 2: Convert to fraction form
    18,486,198/39,895,324 = 39,895,324/x
  3. Step 3: Cross multiply
    18,486,198x = 39,895,324 × 39,895,324
  4. Step 4: Simplify right side
    18,486,198x = 1,591,636,877,064,976
  5. Step 5: Solve for x
    x = 1,591,636,877,064,976/18,486,198
  6. Step 6: Final answer
    x = 86,098,660.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.