Finding the Third Proportional to 395,307 and 862,170.75
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Solution
The third proportional to 395,307 and 862,170.75 is: 1,880,407.89
Step by Step Solution
- Step 1: Write the proportion equation
395,307 : 862,170.75 = 862,170.75 : x - Step 2: Convert to fraction form
395,307/862,170.75 = 862,170.75/x - Step 3: Cross multiply
395,307x = 862,170.75 × 862,170.75 - Step 4: Simplify right side
395,307x = 743,338,402,155.56 - Step 5: Solve for x
x = 743,338,402,155.56/395,307 - Step 6: Final answer
x = 1,880,407.89
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.