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Finding the Third Proportional to 235.55 and 334.55

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Solution

The third proportional to 235.55 and 334.55 is: 475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.55 : 334.55 = 334.55 : x
  2. Step 2: Convert to fraction form
    235.55/334.55 = 334.55/x
  3. Step 3: Cross multiply
    235.55x = 334.55 × 334.55
  4. Step 4: Simplify right side
    235.55x = 111,921.61
  5. Step 5: Solve for x
    x = 111,921.61/235.55
  6. Step 6: Final answer
    x = 475.16

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.