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Finding the Third Proportional to 1,489,308,367 and 2,399,672,512.50

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Solution

The third proportional to 1,489,308,367 and 2,399,672,512.50 is: 3,866,511,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,308,367 : 2,399,672,512.50 = 2,399,672,512.50 : x
  2. Step 2: Convert to fraction form
    1,489,308,367/2,399,672,512.50 = 2,399,672,512.50/x
  3. Step 3: Cross multiply
    1,489,308,367x = 2,399,672,512.50 × 2,399,672,512.50
  4. Step 4: Simplify right side
    1,489,308,367x = 5,758,428,167,248,062,464
  5. Step 5: Solve for x
    x = 5,758,428,167,248,062,464/1,489,308,367
  6. Step 6: Final answer
    x = 3,866,511,660.61

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.