Finding the Third Proportional to 454,729.75 and 990,190.50
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Solution
The third proportional to 454,729.75 and 990,190.50 is: 2,156,175.68
Step by Step Solution
- Step 1: Write the proportion equation
454,729.75 : 990,190.50 = 990,190.50 : x - Step 2: Convert to fraction form
454,729.75/990,190.50 = 990,190.50/x - Step 3: Cross multiply
454,729.75x = 990,190.50 × 990,190.50 - Step 4: Simplify right side
454,729.75x = 980,477,226,290.25 - Step 5: Solve for x
x = 980,477,226,290.25/454,729.75 - Step 6: Final answer
x = 2,156,175.68
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.