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Finding the Third Proportional to 1,236.94 and 2,956.08

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Solution

The third proportional to 1,236.94 and 2,956.08 is: 7,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.94 : 2,956.08 = 2,956.08 : x
  2. Step 2: Convert to fraction form
    1,236.94/2,956.08 = 2,956.08/x
  3. Step 3: Cross multiply
    1,236.94x = 2,956.08 × 2,956.08
  4. Step 4: Simplify right side
    1,236.94x = 8,738,397.88
  5. Step 5: Solve for x
    x = 8,738,397.88/1,236.94
  6. Step 6: Final answer
    x = 7,064.54

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.