Finding the Third Proportional to 81,213.75 and 124,989.75
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Solution
The third proportional to 81,213.75 and 124,989.75 is: 192,361.98
Step by Step Solution
- Step 1: Write the proportion equation
81,213.75 : 124,989.75 = 124,989.75 : x - Step 2: Convert to fraction form
81,213.75/124,989.75 = 124,989.75/x - Step 3: Cross multiply
81,213.75x = 124,989.75 × 124,989.75 - Step 4: Simplify right side
81,213.75x = 15,622,437,605.06 - Step 5: Solve for x
x = 15,622,437,605.06/81,213.75 - Step 6: Final answer
x = 192,361.98
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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.