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Finding the Third Proportional to 1,810 and 3,224

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Solution

The third proportional to 1,810 and 3,224 is: 5,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810 : 3,224 = 3,224 : x
  2. Step 2: Convert to fraction form
    1,810/3,224 = 3,224/x
  3. Step 3: Cross multiply
    1,810x = 3,224 × 3,224
  4. Step 4: Simplify right side
    1,810x = 10,394,176
  5. Step 5: Solve for x
    x = 10,394,176/1,810
  6. Step 6: Final answer
    x = 5,742.64

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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.