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Finding the Third Proportional to 1,351 and 1,956

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Solution

The third proportional to 1,351 and 1,956 is: 2,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351 : 1,956 = 1,956 : x
  2. Step 2: Convert to fraction form
    1,351/1,956 = 1,956/x
  3. Step 3: Cross multiply
    1,351x = 1,956 × 1,956
  4. Step 4: Simplify right side
    1,351x = 3,825,936
  5. Step 5: Solve for x
    x = 3,825,936/1,351
  6. Step 6: Final answer
    x = 2,831.93

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.