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Finding the Third Proportional to 4,192,879 and 8,983,721

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Solution

The third proportional to 4,192,879 and 8,983,721 is: 19,248,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,879 : 8,983,721 = 8,983,721 : x
  2. Step 2: Convert to fraction form
    4,192,879/8,983,721 = 8,983,721/x
  3. Step 3: Cross multiply
    4,192,879x = 8,983,721 × 8,983,721
  4. Step 4: Simplify right side
    4,192,879x = 80,707,243,005,841
  5. Step 5: Solve for x
    x = 80,707,243,005,841/4,192,879
  6. Step 6: Final answer
    x = 19,248,645.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.