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Finding the Third Proportional to 38,845.50 and 83,355

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Solution

The third proportional to 38,845.50 and 83,355 is: 178,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.50 : 83,355 = 83,355 : x
  2. Step 2: Convert to fraction form
    38,845.50/83,355 = 83,355/x
  3. Step 3: Cross multiply
    38,845.50x = 83,355 × 83,355
  4. Step 4: Simplify right side
    38,845.50x = 6,948,056,025
  5. Step 5: Solve for x
    x = 6,948,056,025/38,845.50
  6. Step 6: Final answer
    x = 178,863.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.