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Finding the Third Proportional to 1,271 and 2,954

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Solution

The third proportional to 1,271 and 2,954 is: 6,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271 : 2,954 = 2,954 : x
  2. Step 2: Convert to fraction form
    1,271/2,954 = 2,954/x
  3. Step 3: Cross multiply
    1,271x = 2,954 × 2,954
  4. Step 4: Simplify right side
    1,271x = 8,726,116
  5. Step 5: Solve for x
    x = 8,726,116/1,271
  6. Step 6: Final answer
    x = 6,865.55

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.