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Finding the Third Proportional to 787,271,242 and 1,691,375,660

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Solution

The third proportional to 787,271,242 and 1,691,375,660 is: 3,633,756,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,271,242 : 1,691,375,660 = 1,691,375,660 : x
  2. Step 2: Convert to fraction form
    787,271,242/1,691,375,660 = 1,691,375,660/x
  3. Step 3: Cross multiply
    787,271,242x = 1,691,375,660 × 1,691,375,660
  4. Step 4: Simplify right side
    787,271,242x = 2,860,751,623,240,435,712
  5. Step 5: Solve for x
    x = 2,860,751,623,240,435,712/787,271,242
  6. Step 6: Final answer
    x = 3,633,756,030.48

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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.