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Finding the Third Proportional to 4,368,740,539 and 9,627,969,530

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Solution

The third proportional to 4,368,740,539 and 9,627,969,530 is: 21,218,425,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368,740,539 : 9,627,969,530 = 9,627,969,530 : x
  2. Step 2: Convert to fraction form
    4,368,740,539/9,627,969,530 = 9,627,969,530/x
  3. Step 3: Cross multiply
    4,368,740,539x = 9,627,969,530 × 9,627,969,530
  4. Step 4: Simplify right side
    4,368,740,539x = 92,697,797,270,608,429,056
  5. Step 5: Solve for x
    x = 92,697,797,270,608,429,056/4,368,740,539
  6. Step 6: Final answer
    x = 21,218,425,869.67

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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.