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Finding the Third Proportional to 28,443 and 44,619

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Solution

The third proportional to 28,443 and 44,619 is: 69,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443 : 44,619 = 44,619 : x
  2. Step 2: Convert to fraction form
    28,443/44,619 = 44,619/x
  3. Step 3: Cross multiply
    28,443x = 44,619 × 44,619
  4. Step 4: Simplify right side
    28,443x = 1,990,855,161
  5. Step 5: Solve for x
    x = 1,990,855,161/28,443
  6. Step 6: Final answer
    x = 69,994.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.