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Finding the Third Proportional to 38,949.75 and 85,110.75

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Solution

The third proportional to 38,949.75 and 85,110.75 is: 185,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.75 : 85,110.75 = 85,110.75 : x
  2. Step 2: Convert to fraction form
    38,949.75/85,110.75 = 85,110.75/x
  3. Step 3: Cross multiply
    38,949.75x = 85,110.75 × 85,110.75
  4. Step 4: Simplify right side
    38,949.75x = 7,243,839,765.56
  5. Step 5: Solve for x
    x = 7,243,839,765.56/38,949.75
  6. Step 6: Final answer
    x = 185,979.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.