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Finding the Third Proportional to 83,136.50 and 124,376.75

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Solution

The third proportional to 83,136.50 and 124,376.75 is: 186,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.50 : 124,376.75 = 124,376.75 : x
  2. Step 2: Convert to fraction form
    83,136.50/124,376.75 = 124,376.75/x
  3. Step 3: Cross multiply
    83,136.50x = 124,376.75 × 124,376.75
  4. Step 4: Simplify right side
    83,136.50x = 15,469,575,940.56
  5. Step 5: Solve for x
    x = 15,469,575,940.56/83,136.50
  6. Step 6: Final answer
    x = 186,074.42

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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.