Finding the Third Proportional to 454,770.50 and 990,221.75
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Solution
The third proportional to 454,770.50 and 990,221.75 is: 2,156,118.56
Step by Step Solution
- Step 1: Write the proportion equation
454,770.50 : 990,221.75 = 990,221.75 : x - Step 2: Convert to fraction form
454,770.50/990,221.75 = 990,221.75/x - Step 3: Cross multiply
454,770.50x = 990,221.75 × 990,221.75 - Step 4: Simplify right side
454,770.50x = 980,539,114,173.06 - Step 5: Solve for x
x = 980,539,114,173.06/454,770.50 - Step 6: Final answer
x = 2,156,118.56
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.