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Finding the Third Proportional to 3,955,799 and 8,121,307

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Solution

The third proportional to 3,955,799 and 8,121,307 is: 16,673,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955,799 : 8,121,307 = 8,121,307 : x
  2. Step 2: Convert to fraction form
    3,955,799/8,121,307 = 8,121,307/x
  3. Step 3: Cross multiply
    3,955,799x = 8,121,307 × 8,121,307
  4. Step 4: Simplify right side
    3,955,799x = 65,955,627,388,249
  5. Step 5: Solve for x
    x = 65,955,627,388,249/3,955,799
  6. Step 6: Final answer
    x = 16,673,149.32

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.