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Finding the Third Proportional to 3,105 and 6,756.75

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Solution

The third proportional to 3,105 and 6,756.75 is: 14,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105 : 6,756.75 = 6,756.75 : x
  2. Step 2: Convert to fraction form
    3,105/6,756.75 = 6,756.75/x
  3. Step 3: Cross multiply
    3,105x = 6,756.75 × 6,756.75
  4. Step 4: Simplify right side
    3,105x = 45,653,670.56
  5. Step 5: Solve for x
    x = 45,653,670.56/3,105
  6. Step 6: Final answer
    x = 14,703.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.