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Finding the Third Proportional to 81,293 and 125,110

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Solution

The third proportional to 81,293 and 125,110 is: 192,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,293 : 125,110 = 125,110 : x
  2. Step 2: Convert to fraction form
    81,293/125,110 = 125,110/x
  3. Step 3: Cross multiply
    81,293x = 125,110 × 125,110
  4. Step 4: Simplify right side
    81,293x = 15,652,512,100
  5. Step 5: Solve for x
    x = 15,652,512,100/81,293
  6. Step 6: Final answer
    x = 192,544.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.