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Finding the Third Proportional to 91,722 and 187,332

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Solution

The third proportional to 91,722 and 187,332 is: 382,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722 : 187,332 = 187,332 : x
  2. Step 2: Convert to fraction form
    91,722/187,332 = 187,332/x
  3. Step 3: Cross multiply
    91,722x = 187,332 × 187,332
  4. Step 4: Simplify right side
    91,722x = 35,093,278,224
  5. Step 5: Solve for x
    x = 35,093,278,224/91,722
  6. Step 6: Final answer
    x = 382,604.81

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.