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Finding the Third Proportional to 6,090.75 and 13,121.44

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Solution

The third proportional to 6,090.75 and 13,121.44 is: 28,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.75 : 13,121.44 = 13,121.44 : x
  2. Step 2: Convert to fraction form
    6,090.75/13,121.44 = 13,121.44/x
  3. Step 3: Cross multiply
    6,090.75x = 13,121.44 × 13,121.44
  4. Step 4: Simplify right side
    6,090.75x = 172,172,122.07
  5. Step 5: Solve for x
    x = 172,172,122.07/6,090.75
  6. Step 6: Final answer
    x = 28,267.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.