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Finding the Third Proportional to 271,395 and 578,859

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Solution

The third proportional to 271,395 and 578,859 is: 1,234,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,395 : 578,859 = 578,859 : x
  2. Step 2: Convert to fraction form
    271,395/578,859 = 578,859/x
  3. Step 3: Cross multiply
    271,395x = 578,859 × 578,859
  4. Step 4: Simplify right side
    271,395x = 335,077,741,881
  5. Step 5: Solve for x
    x = 335,077,741,881/271,395
  6. Step 6: Final answer
    x = 1,234,649.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.