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Finding the Third Proportional to 101,601 and 222,561

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Solution

The third proportional to 101,601 and 222,561 is: 487,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601 : 222,561 = 222,561 : x
  2. Step 2: Convert to fraction form
    101,601/222,561 = 222,561/x
  3. Step 3: Cross multiply
    101,601x = 222,561 × 222,561
  4. Step 4: Simplify right side
    101,601x = 49,533,398,721
  5. Step 5: Solve for x
    x = 49,533,398,721/101,601
  6. Step 6: Final answer
    x = 487,528.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.