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Finding the Third Proportional to 787,271,240 and 1,691,375,655

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Solution

The third proportional to 787,271,240 and 1,691,375,655 is: 3,633,756,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,271,240 : 1,691,375,655 = 1,691,375,655 : x
  2. Step 2: Convert to fraction form
    787,271,240/1,691,375,655 = 1,691,375,655/x
  3. Step 3: Cross multiply
    787,271,240x = 1,691,375,655 × 1,691,375,655
  4. Step 4: Simplify right side
    787,271,240x = 2,860,751,606,326,679,040
  5. Step 5: Solve for x
    x = 2,860,751,606,326,679,040/787,271,240
  6. Step 6: Final answer
    x = 3,633,756,018.23

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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.