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Finding the Third Proportional to 8,074 and 17,739.50

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Solution

The third proportional to 8,074 and 17,739.50 is: 38,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074 : 17,739.50 = 17,739.50 : x
  2. Step 2: Convert to fraction form
    8,074/17,739.50 = 17,739.50/x
  3. Step 3: Cross multiply
    8,074x = 17,739.50 × 17,739.50
  4. Step 4: Simplify right side
    8,074x = 314,689,860.25
  5. Step 5: Solve for x
    x = 314,689,860.25/8,074
  6. Step 6: Final answer
    x = 38,975.71

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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.