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Finding the Third Proportional to 355.22 and 546.33

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Solution

The third proportional to 355.22 and 546.33 is: 840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.22 : 546.33 = 546.33 : x
  2. Step 2: Convert to fraction form
    355.22/546.33 = 546.33/x
  3. Step 3: Cross multiply
    355.22x = 546.33 × 546.33
  4. Step 4: Simplify right side
    355.22x = 298,474.42
  5. Step 5: Solve for x
    x = 298,474.42/355.22
  6. Step 6: Final answer
    x = 840.26

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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.