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Finding the Third Proportional to 4,480.50 and 6,822.75

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Solution

The third proportional to 4,480.50 and 6,822.75 is: 10,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.50 : 6,822.75 = 6,822.75 : x
  2. Step 2: Convert to fraction form
    4,480.50/6,822.75 = 6,822.75/x
  3. Step 3: Cross multiply
    4,480.50x = 6,822.75 × 6,822.75
  4. Step 4: Simplify right side
    4,480.50x = 46,549,917.56
  5. Step 5: Solve for x
    x = 46,549,917.56/4,480.50
  6. Step 6: Final answer
    x = 10,389.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.