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Finding the Third Proportional to 222,815 and 463,989

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Solution

The third proportional to 222,815 and 463,989 is: 966,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,815 : 463,989 = 463,989 : x
  2. Step 2: Convert to fraction form
    222,815/463,989 = 463,989/x
  3. Step 3: Cross multiply
    222,815x = 463,989 × 463,989
  4. Step 4: Simplify right side
    222,815x = 215,285,792,121
  5. Step 5: Solve for x
    x = 215,285,792,121/222,815
  6. Step 6: Final answer
    x = 966,208.70

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.