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Finding the Third Proportional to 5,816.25 and 6,720.75

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Solution

The third proportional to 5,816.25 and 6,720.75 is: 7,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.25 : 6,720.75 = 6,720.75 : x
  2. Step 2: Convert to fraction form
    5,816.25/6,720.75 = 6,720.75/x
  3. Step 3: Cross multiply
    5,816.25x = 6,720.75 × 6,720.75
  4. Step 4: Simplify right side
    5,816.25x = 45,168,480.56
  5. Step 5: Solve for x
    x = 45,168,480.56/5,816.25
  6. Step 6: Final answer
    x = 7,765.91

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.