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Finding the Third Proportional to 233.64 and 361.55

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Solution

The third proportional to 233.64 and 361.55 is: 559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.64 : 361.55 = 361.55 : x
  2. Step 2: Convert to fraction form
    233.64/361.55 = 361.55/x
  3. Step 3: Cross multiply
    233.64x = 361.55 × 361.55
  4. Step 4: Simplify right side
    233.64x = 130,716.14
  5. Step 5: Solve for x
    x = 130,716.14/233.64
  6. Step 6: Final answer
    x = 559.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.