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Finding the Third Proportional to 79,826 and 125,223

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Solution

The third proportional to 79,826 and 125,223 is: 196,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,826 : 125,223 = 125,223 : x
  2. Step 2: Convert to fraction form
    79,826/125,223 = 125,223/x
  3. Step 3: Cross multiply
    79,826x = 125,223 × 125,223
  4. Step 4: Simplify right side
    79,826x = 15,680,799,729
  5. Step 5: Solve for x
    x = 15,680,799,729/79,826
  6. Step 6: Final answer
    x = 196,437.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.