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Finding the Third Proportional to 18,122.06 and 28,004.06

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Solution

The third proportional to 18,122.06 and 28,004.06 is: 43,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.06 : 28,004.06 = 28,004.06 : x
  2. Step 2: Convert to fraction form
    18,122.06/28,004.06 = 28,004.06/x
  3. Step 3: Cross multiply
    18,122.06x = 28,004.06 × 28,004.06
  4. Step 4: Simplify right side
    18,122.06x = 784,227,516.50
  5. Step 5: Solve for x
    x = 784,227,516.50/18,122.06
  6. Step 6: Final answer
    x = 43,274.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.