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Finding the Third Proportional to 663.19 and 793.97

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Solution

The third proportional to 663.19 and 793.97 is: 950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.19 : 793.97 = 793.97 : x
  2. Step 2: Convert to fraction form
    663.19/793.97 = 793.97/x
  3. Step 3: Cross multiply
    663.19x = 793.97 × 793.97
  4. Step 4: Simplify right side
    663.19x = 630,386.38
  5. Step 5: Solve for x
    x = 630,386.38/663.19
  6. Step 6: Final answer
    x = 950.54

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.