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Finding the Third Proportional to 2,814.75 and 6,516.56

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Solution

The third proportional to 2,814.75 and 6,516.56 is: 15,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.75 : 6,516.56 = 6,516.56 : x
  2. Step 2: Convert to fraction form
    2,814.75/6,516.56 = 6,516.56/x
  3. Step 3: Cross multiply
    2,814.75x = 6,516.56 × 6,516.56
  4. Step 4: Simplify right side
    2,814.75x = 42,465,586.82
  5. Step 5: Solve for x
    x = 42,465,586.82/2,814.75
  6. Step 6: Final answer
    x = 15,086.81

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.