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Finding the Third Proportional to 2,236 and 2,988

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Solution

The third proportional to 2,236 and 2,988 is: 3,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236 : 2,988 = 2,988 : x
  2. Step 2: Convert to fraction form
    2,236/2,988 = 2,988/x
  3. Step 3: Cross multiply
    2,236x = 2,988 × 2,988
  4. Step 4: Simplify right side
    2,236x = 8,928,144
  5. Step 5: Solve for x
    x = 8,928,144/2,236
  6. Step 6: Final answer
    x = 3,992.91

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.