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Finding the Third Proportional to 68,722 and 150,566

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Solution

The third proportional to 68,722 and 150,566 is: 329,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722 : 150,566 = 150,566 : x
  2. Step 2: Convert to fraction form
    68,722/150,566 = 150,566/x
  3. Step 3: Cross multiply
    68,722x = 150,566 × 150,566
  4. Step 4: Simplify right side
    68,722x = 22,670,120,356
  5. Step 5: Solve for x
    x = 22,670,120,356/68,722
  6. Step 6: Final answer
    x = 329,881.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.