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Finding the Third Proportional to 271.55 and 603.84

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Solution

The third proportional to 271.55 and 603.84 is: 1,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.55 : 603.84 = 603.84 : x
  2. Step 2: Convert to fraction form
    271.55/603.84 = 603.84/x
  3. Step 3: Cross multiply
    271.55x = 603.84 × 603.84
  4. Step 4: Simplify right side
    271.55x = 364,627.27
  5. Step 5: Solve for x
    x = 364,627.27/271.55
  6. Step 6: Final answer
    x = 1,342.78

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.