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Finding the Third Proportional to 15,928 and 34,582

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Solution

The third proportional to 15,928 and 34,582 is: 75,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928 : 34,582 = 34,582 : x
  2. Step 2: Convert to fraction form
    15,928/34,582 = 34,582/x
  3. Step 3: Cross multiply
    15,928x = 34,582 × 34,582
  4. Step 4: Simplify right side
    15,928x = 1,195,914,724
  5. Step 5: Solve for x
    x = 1,195,914,724/15,928
  6. Step 6: Final answer
    x = 75,082.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.