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Finding the Third Proportional to 297,633 and 641,925

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Solution

The third proportional to 297,633 and 641,925 is: 1,384,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,633 : 641,925 = 641,925 : x
  2. Step 2: Convert to fraction form
    297,633/641,925 = 641,925/x
  3. Step 3: Cross multiply
    297,633x = 641,925 × 641,925
  4. Step 4: Simplify right side
    297,633x = 412,067,705,625
  5. Step 5: Solve for x
    x = 412,067,705,625/297,633
  6. Step 6: Final answer
    x = 1,384,482.59

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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.