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Finding the Third Proportional to 1,366.63 and 3,208.44

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Solution

The third proportional to 1,366.63 and 3,208.44 is: 7,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.63 : 3,208.44 = 3,208.44 : x
  2. Step 2: Convert to fraction form
    1,366.63/3,208.44 = 3,208.44/x
  3. Step 3: Cross multiply
    1,366.63x = 3,208.44 × 3,208.44
  4. Step 4: Simplify right side
    1,366.63x = 10,294,071.19
  5. Step 5: Solve for x
    x = 10,294,071.19/1,366.63
  6. Step 6: Final answer
    x = 7,532.48

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.