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Finding the Third Proportional to 39,328.75 and 85,568.75

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Solution

The third proportional to 39,328.75 and 85,568.75 is: 186,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328.75 : 85,568.75 = 85,568.75 : x
  2. Step 2: Convert to fraction form
    39,328.75/85,568.75 = 85,568.75/x
  3. Step 3: Cross multiply
    39,328.75x = 85,568.75 × 85,568.75
  4. Step 4: Simplify right side
    39,328.75x = 7,322,010,976.56
  5. Step 5: Solve for x
    x = 7,322,010,976.56/39,328.75
  6. Step 6: Final answer
    x = 186,174.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.