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Finding the Third Proportional to 28,177 and 43,880

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Solution

The third proportional to 28,177 and 43,880 is: 68,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177 : 43,880 = 43,880 : x
  2. Step 2: Convert to fraction form
    28,177/43,880 = 43,880/x
  3. Step 3: Cross multiply
    28,177x = 43,880 × 43,880
  4. Step 4: Simplify right side
    28,177x = 1,925,454,400
  5. Step 5: Solve for x
    x = 1,925,454,400/28,177
  6. Step 6: Final answer
    x = 68,334.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.