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Finding the Third Proportional to 270,774 and 396,924

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Solution

The third proportional to 270,774 and 396,924 is: 581,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,774 : 396,924 = 396,924 : x
  2. Step 2: Convert to fraction form
    270,774/396,924 = 396,924/x
  3. Step 3: Cross multiply
    270,774x = 396,924 × 396,924
  4. Step 4: Simplify right side
    270,774x = 157,548,661,776
  5. Step 5: Solve for x
    x = 157,548,661,776/270,774
  6. Step 6: Final answer
    x = 581,845.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.