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Finding the Third Proportional to 3,213.94 and 4,855.17

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Solution

The third proportional to 3,213.94 and 4,855.17 is: 7,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.94 : 4,855.17 = 4,855.17 : x
  2. Step 2: Convert to fraction form
    3,213.94/4,855.17 = 4,855.17/x
  3. Step 3: Cross multiply
    3,213.94x = 4,855.17 × 4,855.17
  4. Step 4: Simplify right side
    3,213.94x = 23,572,693.94
  5. Step 5: Solve for x
    x = 23,572,693.94/3,213.94
  6. Step 6: Final answer
    x = 7,334.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.