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Finding the Third Proportional to 39,113 and 80,048

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Solution

The third proportional to 39,113 and 80,048 is: 163,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113 : 80,048 = 80,048 : x
  2. Step 2: Convert to fraction form
    39,113/80,048 = 80,048/x
  3. Step 3: Cross multiply
    39,113x = 80,048 × 80,048
  4. Step 4: Simplify right side
    39,113x = 6,407,682,304
  5. Step 5: Solve for x
    x = 6,407,682,304/39,113
  6. Step 6: Final answer
    x = 163,824.87

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.