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Finding the Third Proportional to 271,840 and 413,754

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Solution

The third proportional to 271,840 and 413,754 is: 629,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,840 : 413,754 = 413,754 : x
  2. Step 2: Convert to fraction form
    271,840/413,754 = 413,754/x
  3. Step 3: Cross multiply
    271,840x = 413,754 × 413,754
  4. Step 4: Simplify right side
    271,840x = 171,192,372,516
  5. Step 5: Solve for x
    x = 171,192,372,516/271,840
  6. Step 6: Final answer
    x = 629,754.17

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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.