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Finding the Third Proportional to 361.88 and 528.94

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Solution

The third proportional to 361.88 and 528.94 is: 773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.88 : 528.94 = 528.94 : x
  2. Step 2: Convert to fraction form
    361.88/528.94 = 528.94/x
  3. Step 3: Cross multiply
    361.88x = 528.94 × 528.94
  4. Step 4: Simplify right side
    361.88x = 279,774.88
  5. Step 5: Solve for x
    x = 279,774.88/361.88
  6. Step 6: Final answer
    x = 773.13

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.