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Finding the Third Proportional to 20,445.75 and 44,021.81

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Solution

The third proportional to 20,445.75 and 44,021.81 is: 94,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.75 : 44,021.81 = 44,021.81 : x
  2. Step 2: Convert to fraction form
    20,445.75/44,021.81 = 44,021.81/x
  3. Step 3: Cross multiply
    20,445.75x = 44,021.81 × 44,021.81
  4. Step 4: Simplify right side
    20,445.75x = 1,937,919,975.79
  5. Step 5: Solve for x
    x = 1,937,919,975.79/20,445.75
  6. Step 6: Final answer
    x = 94,783.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.