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Finding the Third Proportional to 202,230 and 440,028

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Solution

The third proportional to 202,230 and 440,028 is: 957,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230 : 440,028 = 440,028 : x
  2. Step 2: Convert to fraction form
    202,230/440,028 = 440,028/x
  3. Step 3: Cross multiply
    202,230x = 440,028 × 440,028
  4. Step 4: Simplify right side
    202,230x = 193,624,640,784
  5. Step 5: Solve for x
    x = 193,624,640,784/202,230
  6. Step 6: Final answer
    x = 957,447.66

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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.