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Finding the Third Proportional to 8,379,678 and 17,999,466

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Solution

The third proportional to 8,379,678 and 17,999,466 is: 38,662,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379,678 : 17,999,466 = 17,999,466 : x
  2. Step 2: Convert to fraction form
    8,379,678/17,999,466 = 17,999,466/x
  3. Step 3: Cross multiply
    8,379,678x = 17,999,466 × 17,999,466
  4. Step 4: Simplify right side
    8,379,678x = 323,980,776,285,156
  5. Step 5: Solve for x
    x = 323,980,776,285,156/8,379,678
  6. Step 6: Final answer
    x = 38,662,676.09

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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.