Finding the Third Proportional to 202,912.50 and 315,420.75
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Solution
The third proportional to 202,912.50 and 315,420.75 is: 490,311.09
Step by Step Solution
- Step 1: Write the proportion equation
202,912.50 : 315,420.75 = 315,420.75 : x - Step 2: Convert to fraction form
202,912.50/315,420.75 = 315,420.75/x - Step 3: Cross multiply
202,912.50x = 315,420.75 × 315,420.75 - Step 4: Simplify right side
202,912.50x = 99,490,249,530.56 - Step 5: Solve for x
x = 99,490,249,530.56/202,912.50 - Step 6: Final answer
x = 490,311.09
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.