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Finding the Third Proportional to 3,815.25 and 5,763.75

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Solution

The third proportional to 3,815.25 and 5,763.75 is: 8,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.25 : 5,763.75 = 5,763.75 : x
  2. Step 2: Convert to fraction form
    3,815.25/5,763.75 = 5,763.75/x
  3. Step 3: Cross multiply
    3,815.25x = 5,763.75 × 5,763.75
  4. Step 4: Simplify right side
    3,815.25x = 33,220,814.06
  5. Step 5: Solve for x
    x = 33,220,814.06/3,815.25
  6. Step 6: Final answer
    x = 8,707.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.