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Finding the Third Proportional to 20,418.75 and 25,066.13

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Solution

The third proportional to 20,418.75 and 25,066.13 is: 30,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418.75 : 25,066.13 = 25,066.13 : x
  2. Step 2: Convert to fraction form
    20,418.75/25,066.13 = 25,066.13/x
  3. Step 3: Cross multiply
    20,418.75x = 25,066.13 × 25,066.13
  4. Step 4: Simplify right side
    20,418.75x = 628,310,622.52
  5. Step 5: Solve for x
    x = 628,310,622.52/20,418.75
  6. Step 6: Final answer
    x = 30,771.26

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.