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Finding the Third Proportional to 8,675,193 and 18,843,789

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Solution

The third proportional to 8,675,193 and 18,843,789 is: 40,931,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,193 : 18,843,789 = 18,843,789 : x
  2. Step 2: Convert to fraction form
    8,675,193/18,843,789 = 18,843,789/x
  3. Step 3: Cross multiply
    8,675,193x = 18,843,789 × 18,843,789
  4. Step 4: Simplify right side
    8,675,193x = 355,088,383,876,521
  5. Step 5: Solve for x
    x = 355,088,383,876,521/8,675,193
  6. Step 6: Final answer
    x = 40,931,467.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.