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Finding the Third Proportional to 397,406 and 597,738

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Solution

The third proportional to 397,406 and 597,738 is: 899,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,406 : 597,738 = 597,738 : x
  2. Step 2: Convert to fraction form
    397,406/597,738 = 597,738/x
  3. Step 3: Cross multiply
    397,406x = 597,738 × 597,738
  4. Step 4: Simplify right side
    397,406x = 357,290,716,644
  5. Step 5: Solve for x
    x = 357,290,716,644/397,406
  6. Step 6: Final answer
    x = 899,057.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.