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Finding the Third Proportional to 4,003,917 and 8,637,689

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Solution

The third proportional to 4,003,917 and 8,637,689 is: 18,634,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003,917 : 8,637,689 = 8,637,689 : x
  2. Step 2: Convert to fraction form
    4,003,917/8,637,689 = 8,637,689/x
  3. Step 3: Cross multiply
    4,003,917x = 8,637,689 × 8,637,689
  4. Step 4: Simplify right side
    4,003,917x = 74,609,671,260,721
  5. Step 5: Solve for x
    x = 74,609,671,260,721/4,003,917
  6. Step 6: Final answer
    x = 18,634,170.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.