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Finding the Third Proportional to 8,382,378 and 18,333,888

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Solution

The third proportional to 8,382,378 and 18,333,888 is: 40,099,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,378 : 18,333,888 = 18,333,888 : x
  2. Step 2: Convert to fraction form
    8,382,378/18,333,888 = 18,333,888/x
  3. Step 3: Cross multiply
    8,382,378x = 18,333,888 × 18,333,888
  4. Step 4: Simplify right side
    8,382,378x = 336,131,449,196,544
  5. Step 5: Solve for x
    x = 336,131,449,196,544/8,382,378
  6. Step 6: Final answer
    x = 40,099,772.31

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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.