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Finding the Third Proportional to 372,990 and 804,949

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Solution

The third proportional to 372,990 and 804,949 is: 1,737,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,990 : 804,949 = 804,949 : x
  2. Step 2: Convert to fraction form
    372,990/804,949 = 804,949/x
  3. Step 3: Cross multiply
    372,990x = 804,949 × 804,949
  4. Step 4: Simplify right side
    372,990x = 647,942,892,601
  5. Step 5: Solve for x
    x = 647,942,892,601/372,990
  6. Step 6: Final answer
    x = 1,737,158.89

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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.