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Finding the Third Proportional to 363.09 and 756.56

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Solution

The third proportional to 363.09 and 756.56 is: 1,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.09 : 756.56 = 756.56 : x
  2. Step 2: Convert to fraction form
    363.09/756.56 = 756.56/x
  3. Step 3: Cross multiply
    363.09x = 756.56 × 756.56
  4. Step 4: Simplify right side
    363.09x = 572,386.82
  5. Step 5: Solve for x
    x = 572,386.82/363.09
  6. Step 6: Final answer
    x = 1,576.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.