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Finding the Third Proportional to 158,942 and 222,771

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Solution

The third proportional to 158,942 and 222,771 is: 312,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,942 : 222,771 = 222,771 : x
  2. Step 2: Convert to fraction form
    158,942/222,771 = 222,771/x
  3. Step 3: Cross multiply
    158,942x = 222,771 × 222,771
  4. Step 4: Simplify right side
    158,942x = 49,626,918,441
  5. Step 5: Solve for x
    x = 49,626,918,441/158,942
  6. Step 6: Final answer
    x = 312,232.88

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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.