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Finding the Third Proportional to 230,910.75 and 445,824

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Solution

The third proportional to 230,910.75 and 445,824 is: 860,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,910.75 : 445,824 = 445,824 : x
  2. Step 2: Convert to fraction form
    230,910.75/445,824 = 445,824/x
  3. Step 3: Cross multiply
    230,910.75x = 445,824 × 445,824
  4. Step 4: Simplify right side
    230,910.75x = 198,759,038,976
  5. Step 5: Solve for x
    x = 198,759,038,976/230,910.75
  6. Step 6: Final answer
    x = 860,761.31

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.