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Finding the Third Proportional to 84,529 and 126,532.50

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Solution

The third proportional to 84,529 and 126,532.50 is: 189,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529 : 126,532.50 = 126,532.50 : x
  2. Step 2: Convert to fraction form
    84,529/126,532.50 = 126,532.50/x
  3. Step 3: Cross multiply
    84,529x = 126,532.50 × 126,532.50
  4. Step 4: Simplify right side
    84,529x = 16,010,473,556.25
  5. Step 5: Solve for x
    x = 16,010,473,556.25/84,529
  6. Step 6: Final answer
    x = 189,408.06

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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.