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Finding the Third Proportional to 8,578,091 and 18,883,368

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Solution

The third proportional to 8,578,091 and 18,883,368 is: 41,568,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,091 : 18,883,368 = 18,883,368 : x
  2. Step 2: Convert to fraction form
    8,578,091/18,883,368 = 18,883,368/x
  3. Step 3: Cross multiply
    8,578,091x = 18,883,368 × 18,883,368
  4. Step 4: Simplify right side
    8,578,091x = 356,581,587,023,424
  5. Step 5: Solve for x
    x = 356,581,587,023,424/8,578,091
  6. Step 6: Final answer
    x = 41,568,874.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.