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Finding the Third Proportional to 129,660 and 194,622

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Solution

The third proportional to 129,660 and 194,622 is: 292,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,660 : 194,622 = 194,622 : x
  2. Step 2: Convert to fraction form
    129,660/194,622 = 194,622/x
  3. Step 3: Cross multiply
    129,660x = 194,622 × 194,622
  4. Step 4: Simplify right side
    129,660x = 37,877,722,884
  5. Step 5: Solve for x
    x = 37,877,722,884/129,660
  6. Step 6: Final answer
    x = 292,131.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.