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Finding the Third Proportional to 181,910 and 371,218

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Solution

The third proportional to 181,910 and 371,218 is: 757,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,910 : 371,218 = 371,218 : x
  2. Step 2: Convert to fraction form
    181,910/371,218 = 371,218/x
  3. Step 3: Cross multiply
    181,910x = 371,218 × 371,218
  4. Step 4: Simplify right side
    181,910x = 137,802,803,524
  5. Step 5: Solve for x
    x = 137,802,803,524/181,910
  6. Step 6: Final answer
    x = 757,532.87

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.