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Finding the Third Proportional to 639,831,131,604 and 1,375,954,648,488

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Solution

The third proportional to 639,831,131,604 and 1,375,954,648,488 is: 2,958,985,740,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,831,131,604 : 1,375,954,648,488 = 1,375,954,648,488 : x
  2. Step 2: Convert to fraction form
    639,831,131,604/1,375,954,648,488 = 1,375,954,648,488/x
  3. Step 3: Cross multiply
    639,831,131,604x = 1,375,954,648,488 × 1,375,954,648,488
  4. Step 4: Simplify right side
    639,831,131,604x = 1,893,251,194,695,735,534,682,112
  5. Step 5: Solve for x
    x = 1,893,251,194,695,735,534,682,112/639,831,131,604
  6. Step 6: Final answer
    x = 2,958,985,740,424.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.