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Finding the Third Proportional to 333.50 and 385

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Solution

The third proportional to 333.50 and 385 is: 444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.50 : 385 = 385 : x
  2. Step 2: Convert to fraction form
    333.50/385 = 385/x
  3. Step 3: Cross multiply
    333.50x = 385 × 385
  4. Step 4: Simplify right side
    333.50x = 148,225
  5. Step 5: Solve for x
    x = 148,225/333.50
  6. Step 6: Final answer
    x = 444.45

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.