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Finding the Third Proportional to 38,878.50 and 60,999.38

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Solution

The third proportional to 38,878.50 and 60,999.38 is: 95,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.50 : 60,999.38 = 60,999.38 : x
  2. Step 2: Convert to fraction form
    38,878.50/60,999.38 = 60,999.38/x
  3. Step 3: Cross multiply
    38,878.50x = 60,999.38 × 60,999.38
  4. Step 4: Simplify right side
    38,878.50x = 3,720,923,750.39
  5. Step 5: Solve for x
    x = 3,720,923,750.39/38,878.50
  6. Step 6: Final answer
    x = 95,706.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.