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Finding the Third Proportional to 222,716.50 and 485,633

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Solution

The third proportional to 222,716.50 and 485,633 is: 1,058,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,716.50 : 485,633 = 485,633 : x
  2. Step 2: Convert to fraction form
    222,716.50/485,633 = 485,633/x
  3. Step 3: Cross multiply
    222,716.50x = 485,633 × 485,633
  4. Step 4: Simplify right side
    222,716.50x = 235,839,410,689
  5. Step 5: Solve for x
    x = 235,839,410,689/222,716.50
  6. Step 6: Final answer
    x = 1,058,922.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.