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Finding the Third Proportional to 222,327 and 486,818

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Solution

The third proportional to 222,327 and 486,818 is: 1,065,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,327 : 486,818 = 486,818 : x
  2. Step 2: Convert to fraction form
    222,327/486,818 = 486,818/x
  3. Step 3: Cross multiply
    222,327x = 486,818 × 486,818
  4. Step 4: Simplify right side
    222,327x = 236,991,765,124
  5. Step 5: Solve for x
    x = 236,991,765,124/222,327
  6. Step 6: Final answer
    x = 1,065,960.34

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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.