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Finding the Third Proportional to 741 and 1,584.38

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Solution

The third proportional to 741 and 1,584.38 is: 3,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741 : 1,584.38 = 1,584.38 : x
  2. Step 2: Convert to fraction form
    741/1,584.38 = 1,584.38/x
  3. Step 3: Cross multiply
    741x = 1,584.38 × 1,584.38
  4. Step 4: Simplify right side
    741x = 2,510,244.14
  5. Step 5: Solve for x
    x = 2,510,244.14/741
  6. Step 6: Final answer
    x = 3,387.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.