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Finding the Third Proportional to 63,122 and 136,974

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Solution

The third proportional to 63,122 and 136,974 is: 297,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122 : 136,974 = 136,974 : x
  2. Step 2: Convert to fraction form
    63,122/136,974 = 136,974/x
  3. Step 3: Cross multiply
    63,122x = 136,974 × 136,974
  4. Step 4: Simplify right side
    63,122x = 18,761,876,676
  5. Step 5: Solve for x
    x = 18,761,876,676/63,122
  6. Step 6: Final answer
    x = 297,231.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.