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Finding the Third Proportional to 378,452 and 569,256

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Solution

The third proportional to 378,452 and 569,256 is: 856,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,452 : 569,256 = 569,256 : x
  2. Step 2: Convert to fraction form
    378,452/569,256 = 569,256/x
  3. Step 3: Cross multiply
    378,452x = 569,256 × 569,256
  4. Step 4: Simplify right side
    378,452x = 324,052,393,536
  5. Step 5: Solve for x
    x = 324,052,393,536/378,452
  6. Step 6: Final answer
    x = 856,257.58

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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.