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Finding the Third Proportional to 274,268 and 414,326

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Solution

The third proportional to 274,268 and 414,326 is: 625,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,268 : 414,326 = 414,326 : x
  2. Step 2: Convert to fraction form
    274,268/414,326 = 414,326/x
  3. Step 3: Cross multiply
    274,268x = 414,326 × 414,326
  4. Step 4: Simplify right side
    274,268x = 171,666,034,276
  5. Step 5: Solve for x
    x = 171,666,034,276/274,268
  6. Step 6: Final answer
    x = 625,906.17

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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.