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Finding the Third Proportional to 19,739.50 and 41,697

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Solution

The third proportional to 19,739.50 and 41,697 is: 88,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.50 : 41,697 = 41,697 : x
  2. Step 2: Convert to fraction form
    19,739.50/41,697 = 41,697/x
  3. Step 3: Cross multiply
    19,739.50x = 41,697 × 41,697
  4. Step 4: Simplify right side
    19,739.50x = 1,738,639,809
  5. Step 5: Solve for x
    x = 1,738,639,809/19,739.50
  6. Step 6: Final answer
    x = 88,079.22

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.