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Finding the Third Proportional to 3,429.84 and 5,232.09

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Solution

The third proportional to 3,429.84 and 5,232.09 is: 7,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.84 : 5,232.09 = 5,232.09 : x
  2. Step 2: Convert to fraction form
    3,429.84/5,232.09 = 5,232.09/x
  3. Step 3: Cross multiply
    3,429.84x = 5,232.09 × 5,232.09
  4. Step 4: Simplify right side
    3,429.84x = 27,374,805.01
  5. Step 5: Solve for x
    x = 27,374,805.01/3,429.84
  6. Step 6: Final answer
    x = 7,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.