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Finding the Third Proportional to 187,812 and 281,799

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Solution

The third proportional to 187,812 and 281,799 is: 422,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812 : 281,799 = 281,799 : x
  2. Step 2: Convert to fraction form
    187,812/281,799 = 281,799/x
  3. Step 3: Cross multiply
    187,812x = 281,799 × 281,799
  4. Step 4: Simplify right side
    187,812x = 79,410,676,401
  5. Step 5: Solve for x
    x = 79,410,676,401/187,812
  6. Step 6: Final answer
    x = 422,820.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.