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Finding the Third Proportional to 203,710 and 448,028

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Solution

The third proportional to 203,710 and 448,028 is: 985,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,710 : 448,028 = 448,028 : x
  2. Step 2: Convert to fraction form
    203,710/448,028 = 448,028/x
  3. Step 3: Cross multiply
    203,710x = 448,028 × 448,028
  4. Step 4: Simplify right side
    203,710x = 200,729,088,784
  5. Step 5: Solve for x
    x = 200,729,088,784/203,710
  6. Step 6: Final answer
    x = 985,366.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.