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Finding the Third Proportional to 144,538 and 222,439

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Solution

The third proportional to 144,538 and 222,439 is: 342,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,538 : 222,439 = 222,439 : x
  2. Step 2: Convert to fraction form
    144,538/222,439 = 222,439/x
  3. Step 3: Cross multiply
    144,538x = 222,439 × 222,439
  4. Step 4: Simplify right side
    144,538x = 49,479,108,721
  5. Step 5: Solve for x
    x = 49,479,108,721/144,538
  6. Step 6: Final answer
    x = 342,325.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.