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Finding the Third Proportional to 185,541 and 397,317

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Solution

The third proportional to 185,541 and 397,317 is: 850,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541 : 397,317 = 397,317 : x
  2. Step 2: Convert to fraction form
    185,541/397,317 = 397,317/x
  3. Step 3: Cross multiply
    185,541x = 397,317 × 397,317
  4. Step 4: Simplify right side
    185,541x = 157,860,798,489
  5. Step 5: Solve for x
    x = 157,860,798,489/185,541
  6. Step 6: Final answer
    x = 850,813.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.