Finding the Third Proportional to 207,619.88 and 311,428.13
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Solution
The third proportional to 207,619.88 and 311,428.13 is: 467,139.66
Step by Step Solution
- Step 1: Write the proportion equation
207,619.88 : 311,428.13 = 311,428.13 : x - Step 2: Convert to fraction form
207,619.88/311,428.13 = 311,428.13/x - Step 3: Cross multiply
207,619.88x = 311,428.13 × 311,428.13 - Step 4: Simplify right side
207,619.88x = 96,987,477,041.02 - Step 5: Solve for x
x = 96,987,477,041.02/207,619.88 - Step 6: Final answer
x = 467,139.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.