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Finding the Third Proportional to 2,802.09 and 3,356.44

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Solution

The third proportional to 2,802.09 and 3,356.44 is: 4,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.09 : 3,356.44 = 3,356.44 : x
  2. Step 2: Convert to fraction form
    2,802.09/3,356.44 = 3,356.44/x
  3. Step 3: Cross multiply
    2,802.09x = 3,356.44 × 3,356.44
  4. Step 4: Simplify right side
    2,802.09x = 11,265,672.69
  5. Step 5: Solve for x
    x = 11,265,672.69/2,802.09
  6. Step 6: Final answer
    x = 4,020.45

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.