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Finding the Third Proportional to 20,428,219.50 and 30,352,923

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Solution

The third proportional to 20,428,219.50 and 30,352,923 is: 45,099,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428,219.50 : 30,352,923 = 30,352,923 : x
  2. Step 2: Convert to fraction form
    20,428,219.50/30,352,923 = 30,352,923/x
  3. Step 3: Cross multiply
    20,428,219.50x = 30,352,923 × 30,352,923
  4. Step 4: Simplify right side
    20,428,219.50x = 921,299,934,643,929
  5. Step 5: Solve for x
    x = 921,299,934,643,929/20,428,219.50
  6. Step 6: Final answer
    x = 45,099,375.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.