Finding the Third Proportional to 788,203 and 1,639,307
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Solution
The third proportional to 788,203 and 1,639,307 is: 3,409,435.69
Step by Step Solution
- Step 1: Write the proportion equation
788,203 : 1,639,307 = 1,639,307 : x - Step 2: Convert to fraction form
788,203/1,639,307 = 1,639,307/x - Step 3: Cross multiply
788,203x = 1,639,307 × 1,639,307 - Step 4: Simplify right side
788,203x = 2,687,327,440,249 - Step 5: Solve for x
x = 2,687,327,440,249/788,203 - Step 6: Final answer
x = 3,409,435.69
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.