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Finding the Third Proportional to 238,472 and 505,375

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Solution

The third proportional to 238,472 and 505,375 is: 1,071,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,472 : 505,375 = 505,375 : x
  2. Step 2: Convert to fraction form
    238,472/505,375 = 505,375/x
  3. Step 3: Cross multiply
    238,472x = 505,375 × 505,375
  4. Step 4: Simplify right side
    238,472x = 255,403,890,625
  5. Step 5: Solve for x
    x = 255,403,890,625/238,472
  6. Step 6: Final answer
    x = 1,071,001.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.