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Finding the Third Proportional to 263,282 and 397,248

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Solution

The third proportional to 263,282 and 397,248 is: 599,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,282 : 397,248 = 397,248 : x
  2. Step 2: Convert to fraction form
    263,282/397,248 = 397,248/x
  3. Step 3: Cross multiply
    263,282x = 397,248 × 397,248
  4. Step 4: Simplify right side
    263,282x = 157,805,973,504
  5. Step 5: Solve for x
    x = 157,805,973,504/263,282
  6. Step 6: Final answer
    x = 599,380.03

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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.