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Finding the Third Proportional to 927,691,380 and 1,988,179,020

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Solution

The third proportional to 927,691,380 and 1,988,179,020 is: 4,260,959,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,691,380 : 1,988,179,020 = 1,988,179,020 : x
  2. Step 2: Convert to fraction form
    927,691,380/1,988,179,020 = 1,988,179,020/x
  3. Step 3: Cross multiply
    927,691,380x = 1,988,179,020 × 1,988,179,020
  4. Step 4: Simplify right side
    927,691,380x = 3,952,855,815,568,160,256
  5. Step 5: Solve for x
    x = 3,952,855,815,568,160,256/927,691,380
  6. Step 6: Final answer
    x = 4,260,959,949.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.