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Finding the Third Proportional to 54,360 and 82,116

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Solution

The third proportional to 54,360 and 82,116 is: 124,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360 : 82,116 = 82,116 : x
  2. Step 2: Convert to fraction form
    54,360/82,116 = 82,116/x
  3. Step 3: Cross multiply
    54,360x = 82,116 × 82,116
  4. Step 4: Simplify right side
    54,360x = 6,743,037,456
  5. Step 5: Solve for x
    x = 6,743,037,456/54,360
  6. Step 6: Final answer
    x = 124,044.10

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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.