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Finding the Third Proportional to 853.31 and 950.06

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Solution

The third proportional to 853.31 and 950.06 is: 1,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.31 : 950.06 = 950.06 : x
  2. Step 2: Convert to fraction form
    853.31/950.06 = 950.06/x
  3. Step 3: Cross multiply
    853.31x = 950.06 × 950.06
  4. Step 4: Simplify right side
    853.31x = 902,618.75
  5. Step 5: Solve for x
    x = 902,618.75/853.31
  6. Step 6: Final answer
    x = 1,057.78

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.