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Finding the Third Proportional to 20,439 and 44,158.50

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Solution

The third proportional to 20,439 and 44,158.50 is: 95,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439 : 44,158.50 = 44,158.50 : x
  2. Step 2: Convert to fraction form
    20,439/44,158.50 = 44,158.50/x
  3. Step 3: Cross multiply
    20,439x = 44,158.50 × 44,158.50
  4. Step 4: Simplify right side
    20,439x = 1,949,973,122.25
  5. Step 5: Solve for x
    x = 1,949,973,122.25/20,439
  6. Step 6: Final answer
    x = 95,404.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.