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Finding the Third Proportional to 303,694 and 471,458

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Solution

The third proportional to 303,694 and 471,458 is: 731,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,694 : 471,458 = 471,458 : x
  2. Step 2: Convert to fraction form
    303,694/471,458 = 471,458/x
  3. Step 3: Cross multiply
    303,694x = 471,458 × 471,458
  4. Step 4: Simplify right side
    303,694x = 222,272,645,764
  5. Step 5: Solve for x
    x = 222,272,645,764/303,694
  6. Step 6: Final answer
    x = 731,896.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.