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Finding the Third Proportional to 176,738 and 267,680

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Solution

The third proportional to 176,738 and 267,680 is: 405,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,738 : 267,680 = 267,680 : x
  2. Step 2: Convert to fraction form
    176,738/267,680 = 267,680/x
  3. Step 3: Cross multiply
    176,738x = 267,680 × 267,680
  4. Step 4: Simplify right side
    176,738x = 71,652,582,400
  5. Step 5: Solve for x
    x = 71,652,582,400/176,738
  6. Step 6: Final answer
    x = 405,416.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.