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Finding the Third Proportional to 819,138,841.88 and 1,805,244,267

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Solution

The third proportional to 819,138,841.88 and 1,805,244,267 is: 3,978,454,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,138,841.88 : 1,805,244,267 = 1,805,244,267 : x
  2. Step 2: Convert to fraction form
    819,138,841.88/1,805,244,267 = 1,805,244,267/x
  3. Step 3: Cross multiply
    819,138,841.88x = 1,805,244,267 × 1,805,244,267
  4. Step 4: Simplify right side
    819,138,841.88x = 3,258,906,863,536,367,104
  5. Step 5: Solve for x
    x = 3,258,906,863,536,367,104/819,138,841.88
  6. Step 6: Final answer
    x = 3,978,454,807.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.