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Finding the Third Proportional to 396,073 and 855,282

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Solution

The third proportional to 396,073 and 855,282 is: 1,846,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,073 : 855,282 = 855,282 : x
  2. Step 2: Convert to fraction form
    396,073/855,282 = 855,282/x
  3. Step 3: Cross multiply
    396,073x = 855,282 × 855,282
  4. Step 4: Simplify right side
    396,073x = 731,507,299,524
  5. Step 5: Solve for x
    x = 731,507,299,524/396,073
  6. Step 6: Final answer
    x = 1,846,900.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.