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Finding the Third Proportional to 7,771.25 and 16,770.75

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Solution

The third proportional to 7,771.25 and 16,770.75 is: 36,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.25 : 16,770.75 = 16,770.75 : x
  2. Step 2: Convert to fraction form
    7,771.25/16,770.75 = 16,770.75/x
  3. Step 3: Cross multiply
    7,771.25x = 16,770.75 × 16,770.75
  4. Step 4: Simplify right side
    7,771.25x = 281,258,055.56
  5. Step 5: Solve for x
    x = 281,258,055.56/7,771.25
  6. Step 6: Final answer
    x = 36,192.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.