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Finding the Third Proportional to 221,167 and 333,577

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Solution

The third proportional to 221,167 and 333,577 is: 503,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,167 : 333,577 = 333,577 : x
  2. Step 2: Convert to fraction form
    221,167/333,577 = 333,577/x
  3. Step 3: Cross multiply
    221,167x = 333,577 × 333,577
  4. Step 4: Simplify right side
    221,167x = 111,273,614,929
  5. Step 5: Solve for x
    x = 111,273,614,929/221,167
  6. Step 6: Final answer
    x = 503,120.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.