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Finding the Third Proportional to 5,055 and 7,107.75

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Solution

The third proportional to 5,055 and 7,107.75 is: 9,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055 : 7,107.75 = 7,107.75 : x
  2. Step 2: Convert to fraction form
    5,055/7,107.75 = 7,107.75/x
  3. Step 3: Cross multiply
    5,055x = 7,107.75 × 7,107.75
  4. Step 4: Simplify right side
    5,055x = 50,520,110.06
  5. Step 5: Solve for x
    x = 50,520,110.06/5,055
  6. Step 6: Final answer
    x = 9,994.09

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.