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Finding the Third Proportional to 222,134.50 and 479,728.50

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Solution

The third proportional to 222,134.50 and 479,728.50 is: 1,036,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,134.50 : 479,728.50 = 479,728.50 : x
  2. Step 2: Convert to fraction form
    222,134.50/479,728.50 = 479,728.50/x
  3. Step 3: Cross multiply
    222,134.50x = 479,728.50 × 479,728.50
  4. Step 4: Simplify right side
    222,134.50x = 230,139,433,712.25
  5. Step 5: Solve for x
    x = 230,139,433,712.25/222,134.50
  6. Step 6: Final answer
    x = 1,036,036.43

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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.