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Finding the Third Proportional to 263.25 and 383.63

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Solution

The third proportional to 263.25 and 383.63 is: 559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.25 : 383.63 = 383.63 : x
  2. Step 2: Convert to fraction form
    263.25/383.63 = 383.63/x
  3. Step 3: Cross multiply
    263.25x = 383.63 × 383.63
  4. Step 4: Simplify right side
    263.25x = 147,168.14
  5. Step 5: Solve for x
    x = 147,168.14/263.25
  6. Step 6: Final answer
    x = 559.04

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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.