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Finding the Third Proportional to 39,232 and 85,879

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Solution

The third proportional to 39,232 and 85,879 is: 187,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232 : 85,879 = 85,879 : x
  2. Step 2: Convert to fraction form
    39,232/85,879 = 85,879/x
  3. Step 3: Cross multiply
    39,232x = 85,879 × 85,879
  4. Step 4: Simplify right side
    39,232x = 7,375,202,641
  5. Step 5: Solve for x
    x = 7,375,202,641/39,232
  6. Step 6: Final answer
    x = 187,989.46

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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.