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Finding the Third Proportional to 2,811 and 6,582

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Solution

The third proportional to 2,811 and 6,582 is: 15,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811 : 6,582 = 6,582 : x
  2. Step 2: Convert to fraction form
    2,811/6,582 = 6,582/x
  3. Step 3: Cross multiply
    2,811x = 6,582 × 6,582
  4. Step 4: Simplify right side
    2,811x = 43,322,724
  5. Step 5: Solve for x
    x = 43,322,724/2,811
  6. Step 6: Final answer
    x = 15,411.85

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.