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Finding the Third Proportional to 1,334 and 2,191

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Solution

The third proportional to 1,334 and 2,191 is: 3,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334 : 2,191 = 2,191 : x
  2. Step 2: Convert to fraction form
    1,334/2,191 = 2,191/x
  3. Step 3: Cross multiply
    1,334x = 2,191 × 2,191
  4. Step 4: Simplify right side
    1,334x = 4,800,481
  5. Step 5: Solve for x
    x = 4,800,481/1,334
  6. Step 6: Final answer
    x = 3,598.56

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.