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Finding the Third Proportional to 54,360 and 83,161

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Solution

The third proportional to 54,360 and 83,161 is: 127,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360 : 83,161 = 83,161 : x
  2. Step 2: Convert to fraction form
    54,360/83,161 = 83,161/x
  3. Step 3: Cross multiply
    54,360x = 83,161 × 83,161
  4. Step 4: Simplify right side
    54,360x = 6,915,751,921
  5. Step 5: Solve for x
    x = 6,915,751,921/54,360
  6. Step 6: Final answer
    x = 127,221.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.