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Finding the Third Proportional to 436 and 1,104

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Solution

The third proportional to 436 and 1,104 is: 2,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436 : 1,104 = 1,104 : x
  2. Step 2: Convert to fraction form
    436/1,104 = 1,104/x
  3. Step 3: Cross multiply
    436x = 1,104 × 1,104
  4. Step 4: Simplify right side
    436x = 1,218,816
  5. Step 5: Solve for x
    x = 1,218,816/436
  6. Step 6: Final answer
    x = 2,795.45

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Why These Related Problems?

These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.