Finding the Third Proportional to 620,944,638.75 and 1,260,135,418.50
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Solution
The third proportional to 620,944,638.75 and 1,260,135,418.50 is: 2,557,299,272.53
Step by Step Solution
- Step 1: Write the proportion equation
620,944,638.75 : 1,260,135,418.50 = 1,260,135,418.50 : x - Step 2: Convert to fraction form
620,944,638.75/1,260,135,418.50 = 1,260,135,418.50/x - Step 3: Cross multiply
620,944,638.75x = 1,260,135,418.50 × 1,260,135,418.50 - Step 4: Simplify right side
620,944,638.75x = 1,587,941,272,958,170,112 - Step 5: Solve for x
x = 1,587,941,272,958,170,112/620,944,638.75 - Step 6: Final answer
x = 2,557,299,272.53
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.