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Finding the Third Proportional to 355.50 and 548.44

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Solution

The third proportional to 355.50 and 548.44 is: 846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.50 : 548.44 = 548.44 : x
  2. Step 2: Convert to fraction form
    355.50/548.44 = 548.44/x
  3. Step 3: Cross multiply
    355.50x = 548.44 × 548.44
  4. Step 4: Simplify right side
    355.50x = 300,783.69
  5. Step 5: Solve for x
    x = 300,783.69/355.50
  6. Step 6: Final answer
    x = 846.09

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.