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Finding the Third Proportional to 222,054 and 328,161

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Solution

The third proportional to 222,054 and 328,161 is: 484,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,054 : 328,161 = 328,161 : x
  2. Step 2: Convert to fraction form
    222,054/328,161 = 328,161/x
  3. Step 3: Cross multiply
    222,054x = 328,161 × 328,161
  4. Step 4: Simplify right side
    222,054x = 107,689,641,921
  5. Step 5: Solve for x
    x = 107,689,641,921/222,054
  6. Step 6: Final answer
    x = 484,970.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.