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Finding the Third Proportional to 2,021.25 and 4,352.25

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Solution

The third proportional to 2,021.25 and 4,352.25 is: 9,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.25 : 4,352.25 = 4,352.25 : x
  2. Step 2: Convert to fraction form
    2,021.25/4,352.25 = 4,352.25/x
  3. Step 3: Cross multiply
    2,021.25x = 4,352.25 × 4,352.25
  4. Step 4: Simplify right side
    2,021.25x = 18,942,080.06
  5. Step 5: Solve for x
    x = 18,942,080.06/2,021.25
  6. Step 6: Final answer
    x = 9,371.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.