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Finding the Third Proportional to 431,236,840.50 and 938,030,793.75

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Solution

The third proportional to 431,236,840.50 and 938,030,793.75 is: 2,040,414,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,236,840.50 : 938,030,793.75 = 938,030,793.75 : x
  2. Step 2: Convert to fraction form
    431,236,840.50/938,030,793.75 = 938,030,793.75/x
  3. Step 3: Cross multiply
    431,236,840.50x = 938,030,793.75 × 938,030,793.75
  4. Step 4: Simplify right side
    431,236,840.50x = 879,901,770,023,255,040
  5. Step 5: Solve for x
    x = 879,901,770,023,255,040/431,236,840.50
  6. Step 6: Final answer
    x = 2,040,414,193.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.