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Finding the Third Proportional to 1,382.44 and 3,038.25

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Solution

The third proportional to 1,382.44 and 3,038.25 is: 6,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.44 : 3,038.25 = 3,038.25 : x
  2. Step 2: Convert to fraction form
    1,382.44/3,038.25 = 3,038.25/x
  3. Step 3: Cross multiply
    1,382.44x = 3,038.25 × 3,038.25
  4. Step 4: Simplify right side
    1,382.44x = 9,230,963.06
  5. Step 5: Solve for x
    x = 9,230,963.06/1,382.44
  6. Step 6: Final answer
    x = 6,677.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.