Finding the Third Proportional to 311,085 and 666,231
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Solution
The third proportional to 311,085 and 666,231 is: 1,426,824.65
Step by Step Solution
- Step 1: Write the proportion equation
311,085 : 666,231 = 666,231 : x - Step 2: Convert to fraction form
311,085/666,231 = 666,231/x - Step 3: Cross multiply
311,085x = 666,231 × 666,231 - Step 4: Simplify right side
311,085x = 443,863,745,361 - Step 5: Solve for x
x = 443,863,745,361/311,085 - Step 6: Final answer
x = 1,426,824.65
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.