Finding the Third Proportional to 154,439.75 and 338,403.88
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Solution
The third proportional to 154,439.75 and 338,403.88 is: 741,500.70
Step by Step Solution
- Step 1: Write the proportion equation
154,439.75 : 338,403.88 = 338,403.88 : x - Step 2: Convert to fraction form
154,439.75/338,403.88 = 338,403.88/x - Step 3: Cross multiply
154,439.75x = 338,403.88 × 338,403.88 - Step 4: Simplify right side
154,439.75x = 114,517,182,615.02 - Step 5: Solve for x
x = 114,517,182,615.02/154,439.75 - Step 6: Final answer
x = 741,500.70
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.