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Finding the Third Proportional to 397,105 and 599,318

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Solution

The third proportional to 397,105 and 599,318 is: 904,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,105 : 599,318 = 599,318 : x
  2. Step 2: Convert to fraction form
    397,105/599,318 = 599,318/x
  3. Step 3: Cross multiply
    397,105x = 599,318 × 599,318
  4. Step 4: Simplify right side
    397,105x = 359,182,065,124
  5. Step 5: Solve for x
    x = 359,182,065,124/397,105
  6. Step 6: Final answer
    x = 904,501.49

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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.