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Finding the Third Proportional to 8,198,988 and 17,942,486

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Solution

The third proportional to 8,198,988 and 17,942,486 is: 39,264,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,988 : 17,942,486 = 17,942,486 : x
  2. Step 2: Convert to fraction form
    8,198,988/17,942,486 = 17,942,486/x
  3. Step 3: Cross multiply
    8,198,988x = 17,942,486 × 17,942,486
  4. Step 4: Simplify right side
    8,198,988x = 321,932,803,860,196
  5. Step 5: Solve for x
    x = 321,932,803,860,196/8,198,988
  6. Step 6: Final answer
    x = 39,264,943.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.