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Finding the Third Proportional to 359.75 and 826.38

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Solution

The third proportional to 359.75 and 826.38 is: 1,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.75 : 826.38 = 826.38 : x
  2. Step 2: Convert to fraction form
    359.75/826.38 = 826.38/x
  3. Step 3: Cross multiply
    359.75x = 826.38 × 826.38
  4. Step 4: Simplify right side
    359.75x = 682,895.64
  5. Step 5: Solve for x
    x = 682,895.64/359.75
  6. Step 6: Final answer
    x = 1,898.25

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.