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Finding the Third Proportional to 3,855,477 and 8,375,603

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Solution

The third proportional to 3,855,477 and 8,375,603 is: 18,195,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,477 : 8,375,603 = 8,375,603 : x
  2. Step 2: Convert to fraction form
    3,855,477/8,375,603 = 8,375,603/x
  3. Step 3: Cross multiply
    3,855,477x = 8,375,603 × 8,375,603
  4. Step 4: Simplify right side
    3,855,477x = 70,150,725,613,609
  5. Step 5: Solve for x
    x = 70,150,725,613,609/3,855,477
  6. Step 6: Final answer
    x = 18,195,083.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.