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Finding the Third Proportional to 11,989.88 and 28,004.44

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Solution

The third proportional to 11,989.88 and 28,004.44 is: 65,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.88 : 28,004.44 = 28,004.44 : x
  2. Step 2: Convert to fraction form
    11,989.88/28,004.44 = 28,004.44/x
  3. Step 3: Cross multiply
    11,989.88x = 28,004.44 × 28,004.44
  4. Step 4: Simplify right side
    11,989.88x = 784,248,519.69
  5. Step 5: Solve for x
    x = 784,248,519.69/11,989.88
  6. Step 6: Final answer
    x = 65,409.23

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.