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Finding the Third Proportional to 20,629.13 and 30,989.25

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Solution

The third proportional to 20,629.13 and 30,989.25 is: 46,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.13 : 30,989.25 = 30,989.25 : x
  2. Step 2: Convert to fraction form
    20,629.13/30,989.25 = 30,989.25/x
  3. Step 3: Cross multiply
    20,629.13x = 30,989.25 × 30,989.25
  4. Step 4: Simplify right side
    20,629.13x = 960,333,615.56
  5. Step 5: Solve for x
    x = 960,333,615.56/20,629.13
  6. Step 6: Final answer
    x = 46,552.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.