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Finding the Third Proportional to 81,255 and 125,568

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Solution

The third proportional to 81,255 and 125,568 is: 194,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,255 : 125,568 = 125,568 : x
  2. Step 2: Convert to fraction form
    81,255/125,568 = 125,568/x
  3. Step 3: Cross multiply
    81,255x = 125,568 × 125,568
  4. Step 4: Simplify right side
    81,255x = 15,767,322,624
  5. Step 5: Solve for x
    x = 15,767,322,624/81,255
  6. Step 6: Final answer
    x = 194,047.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.