Finding the Third Proportional to 258,936.75 and 393,811.88
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Solution
The third proportional to 258,936.75 and 393,811.88 is: 598,940.83
Step by Step Solution
- Step 1: Write the proportion equation
258,936.75 : 393,811.88 = 393,811.88 : x - Step 2: Convert to fraction form
258,936.75/393,811.88 = 393,811.88/x - Step 3: Cross multiply
258,936.75x = 393,811.88 × 393,811.88 - Step 4: Simplify right side
258,936.75x = 155,087,792,891.02 - Step 5: Solve for x
x = 155,087,792,891.02/258,936.75 - Step 6: Final answer
x = 598,940.83
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.