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Finding the Third Proportional to 3,151.13 and 6,792.75

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Solution

The third proportional to 3,151.13 and 6,792.75 is: 14,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.13 : 6,792.75 = 6,792.75 : x
  2. Step 2: Convert to fraction form
    3,151.13/6,792.75 = 6,792.75/x
  3. Step 3: Cross multiply
    3,151.13x = 6,792.75 × 6,792.75
  4. Step 4: Simplify right side
    3,151.13x = 46,141,452.56
  5. Step 5: Solve for x
    x = 46,141,452.56/3,151.13
  6. Step 6: Final answer
    x = 14,642.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.