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Finding the Third Proportional to 7,012,605,622 and 15,427,715,310

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Solution

The third proportional to 7,012,605,622 and 15,427,715,310 is: 33,940,936,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,605,622 : 15,427,715,310 = 15,427,715,310 : x
  2. Step 2: Convert to fraction form
    7,012,605,622/15,427,715,310 = 15,427,715,310/x
  3. Step 3: Cross multiply
    7,012,605,622x = 15,427,715,310 × 15,427,715,310
  4. Step 4: Simplify right side
    7,012,605,622x = 238,014,399,686,408,404,992
  5. Step 5: Solve for x
    x = 238,014,399,686,408,404,992/7,012,605,622
  6. Step 6: Final answer
    x = 33,940,936,153.56

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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.