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Finding the Third Proportional to 71,767 and 154,503

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Solution

The third proportional to 71,767 and 154,503 is: 332,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,767 : 154,503 = 154,503 : x
  2. Step 2: Convert to fraction form
    71,767/154,503 = 154,503/x
  3. Step 3: Cross multiply
    71,767x = 154,503 × 154,503
  4. Step 4: Simplify right side
    71,767x = 23,871,177,009
  5. Step 5: Solve for x
    x = 23,871,177,009/71,767
  6. Step 6: Final answer
    x = 332,620.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.