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Finding the Third Proportional to 235,782 and 482,458

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Solution

The third proportional to 235,782 and 482,458 is: 987,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,782 : 482,458 = 482,458 : x
  2. Step 2: Convert to fraction form
    235,782/482,458 = 482,458/x
  3. Step 3: Cross multiply
    235,782x = 482,458 × 482,458
  4. Step 4: Simplify right side
    235,782x = 232,765,721,764
  5. Step 5: Solve for x
    x = 232,765,721,764/235,782
  6. Step 6: Final answer
    x = 987,207.34

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.