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Finding the Third Proportional to 88,121 and 125,620

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Solution

The third proportional to 88,121 and 125,620 is: 179,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,121 : 125,620 = 125,620 : x
  2. Step 2: Convert to fraction form
    88,121/125,620 = 125,620/x
  3. Step 3: Cross multiply
    88,121x = 125,620 × 125,620
  4. Step 4: Simplify right side
    88,121x = 15,780,384,400
  5. Step 5: Solve for x
    x = 15,780,384,400/88,121
  6. Step 6: Final answer
    x = 179,076.32

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.