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Finding the Third Proportional to 739,613,767.78 and 1,627,147,702.22

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Solution

The third proportional to 739,613,767.78 and 1,627,147,702.22 is: 3,579,719,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,613,767.78 : 1,627,147,702.22 = 1,627,147,702.22 : x
  2. Step 2: Convert to fraction form
    739,613,767.78/1,627,147,702.22 = 1,627,147,702.22/x
  3. Step 3: Cross multiply
    739,613,767.78x = 1,627,147,702.22 × 1,627,147,702.22
  4. Step 4: Simplify right side
    739,613,767.78x = 2,647,609,644,835,920,896
  5. Step 5: Solve for x
    x = 2,647,609,644,835,920,896/739,613,767.78
  6. Step 6: Final answer
    x = 3,579,719,253.71

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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.