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Finding the Third Proportional to 18,939,789,920 and 26,478,941,022

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Solution

The third proportional to 18,939,789,920 and 26,478,941,022 is: 37,019,117,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,789,920 : 26,478,941,022 = 26,478,941,022 : x
  2. Step 2: Convert to fraction form
    18,939,789,920/26,478,941,022 = 26,478,941,022/x
  3. Step 3: Cross multiply
    18,939,789,920x = 26,478,941,022 × 26,478,941,022
  4. Step 4: Simplify right side
    18,939,789,920x = 701,134,317,646,554,464,256
  5. Step 5: Solve for x
    x = 701,134,317,646,554,464,256/18,939,789,920
  6. Step 6: Final answer
    x = 37,019,117,984.31

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.