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Finding the Third Proportional to 3,349.13 and 5,019.75

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Solution

The third proportional to 3,349.13 and 5,019.75 is: 7,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.13 : 5,019.75 = 5,019.75 : x
  2. Step 2: Convert to fraction form
    3,349.13/5,019.75 = 5,019.75/x
  3. Step 3: Cross multiply
    3,349.13x = 5,019.75 × 5,019.75
  4. Step 4: Simplify right side
    3,349.13x = 25,197,890.06
  5. Step 5: Solve for x
    x = 25,197,890.06/3,349.13
  6. Step 6: Final answer
    x = 7,523.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.