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Finding the Third Proportional to 238,292 and 371,505

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Solution

The third proportional to 238,292 and 371,505 is: 579,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,292 : 371,505 = 371,505 : x
  2. Step 2: Convert to fraction form
    238,292/371,505 = 371,505/x
  3. Step 3: Cross multiply
    238,292x = 371,505 × 371,505
  4. Step 4: Simplify right side
    238,292x = 138,015,965,025
  5. Step 5: Solve for x
    x = 138,015,965,025/238,292
  6. Step 6: Final answer
    x = 579,188.41

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.