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Finding the Third Proportional to 8,519,491 and 18,338,060

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Solution

The third proportional to 8,519,491 and 18,338,060 is: 39,472,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,491 : 18,338,060 = 18,338,060 : x
  2. Step 2: Convert to fraction form
    8,519,491/18,338,060 = 18,338,060/x
  3. Step 3: Cross multiply
    8,519,491x = 18,338,060 × 18,338,060
  4. Step 4: Simplify right side
    8,519,491x = 336,284,444,563,600
  5. Step 5: Solve for x
    x = 336,284,444,563,600/8,519,491
  6. Step 6: Final answer
    x = 39,472,363.38

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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.