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Finding the Third Proportional to 20,188.75 and 47,153.69

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Solution

The third proportional to 20,188.75 and 47,153.69 is: 110,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.75 : 47,153.69 = 47,153.69 : x
  2. Step 2: Convert to fraction form
    20,188.75/47,153.69 = 47,153.69/x
  3. Step 3: Cross multiply
    20,188.75x = 47,153.69 × 47,153.69
  4. Step 4: Simplify right side
    20,188.75x = 2,223,470,244.85
  5. Step 5: Solve for x
    x = 2,223,470,244.85/20,188.75
  6. Step 6: Final answer
    x = 110,134.12

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.