Finding the Third Proportional to 311,536 and 680,732
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Solution
The third proportional to 311,536 and 680,732 is: 1,487,455.88
Step by Step Solution
- Step 1: Write the proportion equation
311,536 : 680,732 = 680,732 : x - Step 2: Convert to fraction form
311,536/680,732 = 680,732/x - Step 3: Cross multiply
311,536x = 680,732 × 680,732 - Step 4: Simplify right side
311,536x = 463,396,055,824 - Step 5: Solve for x
x = 463,396,055,824/311,536 - Step 6: Final answer
x = 1,487,455.88
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.