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Finding the Third Proportional to 271,907 and 413,621

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Solution

The third proportional to 271,907 and 413,621 is: 629,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,907 : 413,621 = 413,621 : x
  2. Step 2: Convert to fraction form
    271,907/413,621 = 413,621/x
  3. Step 3: Cross multiply
    271,907x = 413,621 × 413,621
  4. Step 4: Simplify right side
    271,907x = 171,082,331,641
  5. Step 5: Solve for x
    x = 171,082,331,641/271,907
  6. Step 6: Final answer
    x = 629,194.29

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.