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Finding the Third Proportional to 2,774 and 5,206

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Solution

The third proportional to 2,774 and 5,206 is: 9,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774 : 5,206 = 5,206 : x
  2. Step 2: Convert to fraction form
    2,774/5,206 = 5,206/x
  3. Step 3: Cross multiply
    2,774x = 5,206 × 5,206
  4. Step 4: Simplify right side
    2,774x = 27,102,436
  5. Step 5: Solve for x
    x = 27,102,436/2,774
  6. Step 6: Final answer
    x = 9,770.16

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.