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Finding the Third Proportional to 397,437 and 599,891

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Solution

The third proportional to 397,437 and 599,891 is: 905,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,437 : 599,891 = 599,891 : x
  2. Step 2: Convert to fraction form
    397,437/599,891 = 599,891/x
  3. Step 3: Cross multiply
    397,437x = 599,891 × 599,891
  4. Step 4: Simplify right side
    397,437x = 359,869,211,881
  5. Step 5: Solve for x
    x = 359,869,211,881/397,437
  6. Step 6: Final answer
    x = 905,474.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.