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Finding the Third Proportional to 3,774 and 7,012

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Solution

The third proportional to 3,774 and 7,012 is: 13,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774 : 7,012 = 7,012 : x
  2. Step 2: Convert to fraction form
    3,774/7,012 = 7,012/x
  3. Step 3: Cross multiply
    3,774x = 7,012 × 7,012
  4. Step 4: Simplify right side
    3,774x = 49,168,144
  5. Step 5: Solve for x
    x = 49,168,144/3,774
  6. Step 6: Final answer
    x = 13,028.13

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.