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Finding the Third Proportional to 222,120 and 479,703

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Solution

The third proportional to 222,120 and 479,703 is: 1,035,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,120 : 479,703 = 479,703 : x
  2. Step 2: Convert to fraction form
    222,120/479,703 = 479,703/x
  3. Step 3: Cross multiply
    222,120x = 479,703 × 479,703
  4. Step 4: Simplify right side
    222,120x = 230,114,968,209
  5. Step 5: Solve for x
    x = 230,114,968,209/222,120
  6. Step 6: Final answer
    x = 1,035,993.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.