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Finding the Third Proportional to 3,349.75 and 7,276.13

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Solution

The third proportional to 3,349.75 and 7,276.13 is: 15,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.75 : 7,276.13 = 7,276.13 : x
  2. Step 2: Convert to fraction form
    3,349.75/7,276.13 = 7,276.13/x
  3. Step 3: Cross multiply
    3,349.75x = 7,276.13 × 7,276.13
  4. Step 4: Simplify right side
    3,349.75x = 52,941,995.02
  5. Step 5: Solve for x
    x = 52,941,995.02/3,349.75
  6. Step 6: Final answer
    x = 15,804.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.