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Finding the Third Proportional to 9,556.50 and 20,997

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Solution

The third proportional to 9,556.50 and 20,997 is: 46,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.50 : 20,997 = 20,997 : x
  2. Step 2: Convert to fraction form
    9,556.50/20,997 = 20,997/x
  3. Step 3: Cross multiply
    9,556.50x = 20,997 × 20,997
  4. Step 4: Simplify right side
    9,556.50x = 440,874,009
  5. Step 5: Solve for x
    x = 440,874,009/9,556.50
  6. Step 6: Final answer
    x = 46,133.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.