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Finding the Third Proportional to 356,247 and 550,908

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Solution

The third proportional to 356,247 and 550,908 is: 851,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,247 : 550,908 = 550,908 : x
  2. Step 2: Convert to fraction form
    356,247/550,908 = 550,908/x
  3. Step 3: Cross multiply
    356,247x = 550,908 × 550,908
  4. Step 4: Simplify right side
    356,247x = 303,499,624,464
  5. Step 5: Solve for x
    x = 303,499,624,464/356,247
  6. Step 6: Final answer
    x = 851,935.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.