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Finding the Third Proportional to 54,096 and 81,792

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Solution

The third proportional to 54,096 and 81,792 is: 123,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,096 : 81,792 = 81,792 : x
  2. Step 2: Convert to fraction form
    54,096/81,792 = 81,792/x
  3. Step 3: Cross multiply
    54,096x = 81,792 × 81,792
  4. Step 4: Simplify right side
    54,096x = 6,689,931,264
  5. Step 5: Solve for x
    x = 6,689,931,264/54,096
  6. Step 6: Final answer
    x = 123,667.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.