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Finding the Third Proportional to 268,544 and 376,449

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Solution

The third proportional to 268,544 and 376,449 is: 527,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,544 : 376,449 = 376,449 : x
  2. Step 2: Convert to fraction form
    268,544/376,449 = 376,449/x
  3. Step 3: Cross multiply
    268,544x = 376,449 × 376,449
  4. Step 4: Simplify right side
    268,544x = 141,713,849,601
  5. Step 5: Solve for x
    x = 141,713,849,601/268,544
  6. Step 6: Final answer
    x = 527,711.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.