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Finding the Third Proportional to 270,268 and 414,563

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Solution

The third proportional to 270,268 and 414,563 is: 635,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,268 : 414,563 = 414,563 : x
  2. Step 2: Convert to fraction form
    270,268/414,563 = 414,563/x
  3. Step 3: Cross multiply
    270,268x = 414,563 × 414,563
  4. Step 4: Simplify right side
    270,268x = 171,862,480,969
  5. Step 5: Solve for x
    x = 171,862,480,969/270,268
  6. Step 6: Final answer
    x = 635,896.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.