Finding the Third Proportional to 424,824.75 and 690,135.19
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Solution
The third proportional to 424,824.75 and 690,135.19 is: 1,121,136.60
Step by Step Solution
- Step 1: Write the proportion equation
424,824.75 : 690,135.19 = 690,135.19 : x - Step 2: Convert to fraction form
424,824.75/690,135.19 = 690,135.19/x - Step 3: Cross multiply
424,824.75x = 690,135.19 × 690,135.19 - Step 4: Simplify right side
424,824.75x = 476,286,577,025.66 - Step 5: Solve for x
x = 476,286,577,025.66/424,824.75 - Step 6: Final answer
x = 1,121,136.60
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These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.