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Finding the Third Proportional to 112,763 and 247,845

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Solution

The third proportional to 112,763 and 247,845 is: 544,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,763 : 247,845 = 247,845 : x
  2. Step 2: Convert to fraction form
    112,763/247,845 = 247,845/x
  3. Step 3: Cross multiply
    112,763x = 247,845 × 247,845
  4. Step 4: Simplify right side
    112,763x = 61,427,144,025
  5. Step 5: Solve for x
    x = 61,427,144,025/112,763
  6. Step 6: Final answer
    x = 544,745.56

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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.