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Finding the Third Proportional to 253.13 and 333.84

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Solution

The third proportional to 253.13 and 333.84 is: 440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.13 : 333.84 = 333.84 : x
  2. Step 2: Convert to fraction form
    253.13/333.84 = 333.84/x
  3. Step 3: Cross multiply
    253.13x = 333.84 × 333.84
  4. Step 4: Simplify right side
    253.13x = 111,451.65
  5. Step 5: Solve for x
    x = 111,451.65/253.13
  6. Step 6: Final answer
    x = 440.30

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.