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Finding the Third Proportional to 18,469.90 and 18,469.90

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Solution

The third proportional to 18,469.90 and 18,469.90 is: 18,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.90 : 18,469.90 = 18,469.90 : x
  2. Step 2: Convert to fraction form
    18,469.90/18,469.90 = 18,469.90/x
  3. Step 3: Cross multiply
    18,469.90x = 18,469.90 × 18,469.90
  4. Step 4: Simplify right side
    18,469.90x = 341,137,148.29
  5. Step 5: Solve for x
    x = 341,137,148.29/18,469.90
  6. Step 6: Final answer
    x = 18,469.90

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Why These Related Problems?

These problems maintain the same ratio (1) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.