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Finding the Third Proportional to 330.75 and 346

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Solution

The third proportional to 330.75 and 346 is: 361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.75 : 346 = 346 : x
  2. Step 2: Convert to fraction form
    330.75/346 = 346/x
  3. Step 3: Cross multiply
    330.75x = 346 × 346
  4. Step 4: Simplify right side
    330.75x = 119,716
  5. Step 5: Solve for x
    x = 119,716/330.75
  6. Step 6: Final answer
    x = 361.95

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Why These Related Problems?

These problems maintain the same ratio (1.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.