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Finding the Third Proportional to 8,388,183 and 18,346,378

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Solution

The third proportional to 8,388,183 and 18,346,378 is: 40,126,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,183 : 18,346,378 = 18,346,378 : x
  2. Step 2: Convert to fraction form
    8,388,183/18,346,378 = 18,346,378/x
  3. Step 3: Cross multiply
    8,388,183x = 18,346,378 × 18,346,378
  4. Step 4: Simplify right side
    8,388,183x = 336,589,585,718,884
  5. Step 5: Solve for x
    x = 336,589,585,718,884/8,388,183
  6. Step 6: Final answer
    x = 40,126,638.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.