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Finding the Third Proportional to 122,676 and 173,622

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Solution

The third proportional to 122,676 and 173,622 is: 245,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,676 : 173,622 = 173,622 : x
  2. Step 2: Convert to fraction form
    122,676/173,622 = 173,622/x
  3. Step 3: Cross multiply
    122,676x = 173,622 × 173,622
  4. Step 4: Simplify right side
    122,676x = 30,144,598,884
  5. Step 5: Solve for x
    x = 30,144,598,884/122,676
  6. Step 6: Final answer
    x = 245,725.32

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.