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Finding the Third Proportional to 83,136 and 124,800

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Solution

The third proportional to 83,136 and 124,800 is: 187,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136 : 124,800 = 124,800 : x
  2. Step 2: Convert to fraction form
    83,136/124,800 = 124,800/x
  3. Step 3: Cross multiply
    83,136x = 124,800 × 124,800
  4. Step 4: Simplify right side
    83,136x = 15,575,040,000
  5. Step 5: Solve for x
    x = 15,575,040,000/83,136
  6. Step 6: Final answer
    x = 187,344.11

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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.