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Finding the Third Proportional to 215,836 and 440,232

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Solution

The third proportional to 215,836 and 440,232 is: 897,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,836 : 440,232 = 440,232 : x
  2. Step 2: Convert to fraction form
    215,836/440,232 = 440,232/x
  3. Step 3: Cross multiply
    215,836x = 440,232 × 440,232
  4. Step 4: Simplify right side
    215,836x = 193,804,213,824
  5. Step 5: Solve for x
    x = 193,804,213,824/215,836
  6. Step 6: Final answer
    x = 897,923.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.