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Finding the Third Proportional to 63,976 and 100,136

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Solution

The third proportional to 63,976 and 100,136 is: 156,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,976 : 100,136 = 100,136 : x
  2. Step 2: Convert to fraction form
    63,976/100,136 = 100,136/x
  3. Step 3: Cross multiply
    63,976x = 100,136 × 100,136
  4. Step 4: Simplify right side
    63,976x = 10,027,218,496
  5. Step 5: Solve for x
    x = 10,027,218,496/63,976
  6. Step 6: Final answer
    x = 156,734.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.