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Finding the Third Proportional to 33,913.50 and 68,750

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Solution

The third proportional to 33,913.50 and 68,750 is: 139,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.50 : 68,750 = 68,750 : x
  2. Step 2: Convert to fraction form
    33,913.50/68,750 = 68,750/x
  3. Step 3: Cross multiply
    33,913.50x = 68,750 × 68,750
  4. Step 4: Simplify right side
    33,913.50x = 4,726,562,500
  5. Step 5: Solve for x
    x = 4,726,562,500/33,913.50
  6. Step 6: Final answer
    x = 139,371.12

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.