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Finding the Third Proportional to 15,322,342,638 and 21,567,832,450

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Solution

The third proportional to 15,322,342,638 and 21,567,832,450 is: 30,359,025,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,342,638 : 21,567,832,450 = 21,567,832,450 : x
  2. Step 2: Convert to fraction form
    15,322,342,638/21,567,832,450 = 21,567,832,450/x
  3. Step 3: Cross multiply
    15,322,342,638x = 21,567,832,450 × 21,567,832,450
  4. Step 4: Simplify right side
    15,322,342,638x = 465,171,396,591,272,984,576
  5. Step 5: Solve for x
    x = 465,171,396,591,272,984,576/15,322,342,638
  6. Step 6: Final answer
    x = 30,359,025,873.60

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.