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Finding the Third Proportional to 81,332 and 125,168

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Solution

The third proportional to 81,332 and 125,168 is: 192,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332 : 125,168 = 125,168 : x
  2. Step 2: Convert to fraction form
    81,332/125,168 = 125,168/x
  3. Step 3: Cross multiply
    81,332x = 125,168 × 125,168
  4. Step 4: Simplify right side
    81,332x = 15,667,028,224
  5. Step 5: Solve for x
    x = 15,667,028,224/81,332
  6. Step 6: Final answer
    x = 192,630.55

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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.