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Finding the Third Proportional to 20,244.50 and 30,649

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Solution

The third proportional to 20,244.50 and 30,649 is: 46,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.50 : 30,649 = 30,649 : x
  2. Step 2: Convert to fraction form
    20,244.50/30,649 = 30,649/x
  3. Step 3: Cross multiply
    20,244.50x = 30,649 × 30,649
  4. Step 4: Simplify right side
    20,244.50x = 939,361,201
  5. Step 5: Solve for x
    x = 939,361,201/20,244.50
  6. Step 6: Final answer
    x = 46,400.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.