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Finding the Third Proportional to 187,596 and 268,245

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Solution

The third proportional to 187,596 and 268,245 is: 383,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,596 : 268,245 = 268,245 : x
  2. Step 2: Convert to fraction form
    187,596/268,245 = 268,245/x
  3. Step 3: Cross multiply
    187,596x = 268,245 × 268,245
  4. Step 4: Simplify right side
    187,596x = 71,955,380,025
  5. Step 5: Solve for x
    x = 71,955,380,025/187,596
  6. Step 6: Final answer
    x = 383,565.64

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.