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Finding the Third Proportional to 247,072 and 481,856

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Solution

The third proportional to 247,072 and 481,856 is: 939,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,072 : 481,856 = 481,856 : x
  2. Step 2: Convert to fraction form
    247,072/481,856 = 481,856/x
  3. Step 3: Cross multiply
    247,072x = 481,856 × 481,856
  4. Step 4: Simplify right side
    247,072x = 232,185,204,736
  5. Step 5: Solve for x
    x = 232,185,204,736/247,072
  6. Step 6: Final answer
    x = 939,747.14

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.