Finding the Third Proportional to 311,321.25 and 649,194.75
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Solution
The third proportional to 311,321.25 and 649,194.75 is: 1,353,758.61
Step by Step Solution
- Step 1: Write the proportion equation
311,321.25 : 649,194.75 = 649,194.75 : x - Step 2: Convert to fraction form
311,321.25/649,194.75 = 649,194.75/x - Step 3: Cross multiply
311,321.25x = 649,194.75 × 649,194.75 - Step 4: Simplify right side
311,321.25x = 421,453,823,427.56 - Step 5: Solve for x
x = 421,453,823,427.56/311,321.25 - Step 6: Final answer
x = 1,353,758.61
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.