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Finding the Third Proportional to 9,480.80 and 20,616.19

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Solution

The third proportional to 9,480.80 and 20,616.19 is: 44,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.80 : 20,616.19 = 20,616.19 : x
  2. Step 2: Convert to fraction form
    9,480.80/20,616.19 = 20,616.19/x
  3. Step 3: Cross multiply
    9,480.80x = 20,616.19 × 20,616.19
  4. Step 4: Simplify right side
    9,480.80x = 425,027,187.04
  5. Step 5: Solve for x
    x = 425,027,187.04/9,480.80
  6. Step 6: Final answer
    x = 44,830.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.