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Finding the Third Proportional to 1,811 and 3,232

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Solution

The third proportional to 1,811 and 3,232 is: 5,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811 : 3,232 = 3,232 : x
  2. Step 2: Convert to fraction form
    1,811/3,232 = 3,232/x
  3. Step 3: Cross multiply
    1,811x = 3,232 × 3,232
  4. Step 4: Simplify right side
    1,811x = 10,445,824
  5. Step 5: Solve for x
    x = 10,445,824/1,811
  6. Step 6: Final answer
    x = 5,767.99

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.