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Finding the Third Proportional to 144,384 and 222,211

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Solution

The third proportional to 144,384 and 222,211 is: 341,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,384 : 222,211 = 222,211 : x
  2. Step 2: Convert to fraction form
    144,384/222,211 = 222,211/x
  3. Step 3: Cross multiply
    144,384x = 222,211 × 222,211
  4. Step 4: Simplify right side
    144,384x = 49,377,728,521
  5. Step 5: Solve for x
    x = 49,377,728,521/144,384
  6. Step 6: Final answer
    x = 341,988.92

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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.