Finding the Third Proportional to 311,377 and 670,509
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Solution
The third proportional to 311,377 and 670,509 is: 1,443,852.05
Step by Step Solution
- Step 1: Write the proportion equation
311,377 : 670,509 = 670,509 : x - Step 2: Convert to fraction form
311,377/670,509 = 670,509/x - Step 3: Cross multiply
311,377x = 670,509 × 670,509 - Step 4: Simplify right side
311,377x = 449,582,319,081 - Step 5: Solve for x
x = 449,582,319,081/311,377 - Step 6: Final answer
x = 1,443,852.05
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.