Finding the Third Proportional to 291,687.75 and 449,976.75
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Solution
The third proportional to 291,687.75 and 449,976.75 is: 694,163.80
Step by Step Solution
- Step 1: Write the proportion equation
291,687.75 : 449,976.75 = 449,976.75 : x - Step 2: Convert to fraction form
291,687.75/449,976.75 = 449,976.75/x - Step 3: Cross multiply
291,687.75x = 449,976.75 × 449,976.75 - Step 4: Simplify right side
291,687.75x = 202,479,075,540.56 - Step 5: Solve for x
x = 202,479,075,540.56/291,687.75 - Step 6: Final answer
x = 694,163.80
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.