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Finding the Third Proportional to 96,864 and 131,472

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Solution

The third proportional to 96,864 and 131,472 is: 178,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,864 : 131,472 = 131,472 : x
  2. Step 2: Convert to fraction form
    96,864/131,472 = 131,472/x
  3. Step 3: Cross multiply
    96,864x = 131,472 × 131,472
  4. Step 4: Simplify right side
    96,864x = 17,284,886,784
  5. Step 5: Solve for x
    x = 17,284,886,784/96,864
  6. Step 6: Final answer
    x = 178,444.90

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.