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Finding the Third Proportional to 268,839 and 365,330.25

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Solution

The third proportional to 268,839 and 365,330.25 is: 496,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,839 : 365,330.25 = 365,330.25 : x
  2. Step 2: Convert to fraction form
    268,839/365,330.25 = 365,330.25/x
  3. Step 3: Cross multiply
    268,839x = 365,330.25 × 365,330.25
  4. Step 4: Simplify right side
    268,839x = 133,466,191,565.06
  5. Step 5: Solve for x
    x = 133,466,191,565.06/268,839
  6. Step 6: Final answer
    x = 496,453.98

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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.