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Finding the Third Proportional to 3,949.70 and 8,593.28

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Solution

The third proportional to 3,949.70 and 8,593.28 is: 18,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.70 : 8,593.28 = 8,593.28 : x
  2. Step 2: Convert to fraction form
    3,949.70/8,593.28 = 8,593.28/x
  3. Step 3: Cross multiply
    3,949.70x = 8,593.28 × 8,593.28
  4. Step 4: Simplify right side
    3,949.70x = 73,844,415.51
  5. Step 5: Solve for x
    x = 73,844,415.51/3,949.70
  6. Step 6: Final answer
    x = 18,696.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.