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Finding the Third Proportional to 550.55 and 804.94

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Solution

The third proportional to 550.55 and 804.94 is: 1,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.55 : 804.94 = 804.94 : x
  2. Step 2: Convert to fraction form
    550.55/804.94 = 804.94/x
  3. Step 3: Cross multiply
    550.55x = 804.94 × 804.94
  4. Step 4: Simplify right side
    550.55x = 647,924.38
  5. Step 5: Solve for x
    x = 647,924.38/550.55
  6. Step 6: Final answer
    x = 1,176.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.