Finding the Third Proportional to 203,082.19 and 315,726.19
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Solution
The third proportional to 203,082.19 and 315,726.19 is: 490,850.66
Step by Step Solution
- Step 1: Write the proportion equation
203,082.19 : 315,726.19 = 315,726.19 : x - Step 2: Convert to fraction form
203,082.19/315,726.19 = 315,726.19/x - Step 3: Cross multiply
203,082.19x = 315,726.19 × 315,726.19 - Step 4: Simplify right side
203,082.19x = 99,683,025,473.29 - Step 5: Solve for x
x = 99,683,025,473.29/203,082.19 - Step 6: Final answer
x = 490,850.66
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.