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Finding the Third Proportional to 268,945 and 365,448

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Solution

The third proportional to 268,945 and 365,448 is: 496,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,945 : 365,448 = 365,448 : x
  2. Step 2: Convert to fraction form
    268,945/365,448 = 365,448/x
  3. Step 3: Cross multiply
    268,945x = 365,448 × 365,448
  4. Step 4: Simplify right side
    268,945x = 133,552,240,704
  5. Step 5: Solve for x
    x = 133,552,240,704/268,945
  6. Step 6: Final answer
    x = 496,578.26

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.