Finding the Third Proportional to 438,170,271 and 682,380,939
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Solution
The third proportional to 438,170,271 and 682,380,939 is: 1,062,700,453.98
Step by Step Solution
- Step 1: Write the proportion equation
438,170,271 : 682,380,939 = 682,380,939 : x - Step 2: Convert to fraction form
438,170,271/682,380,939 = 682,380,939/x - Step 3: Cross multiply
438,170,271x = 682,380,939 × 682,380,939 - Step 4: Simplify right side
438,170,271x = 465,643,745,910,521,728 - Step 5: Solve for x
x = 465,643,745,910,521,728/438,170,271 - Step 6: Final answer
x = 1,062,700,453.98
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.