Finding the Third Proportional to 454,974.75 and 990,213.75
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Solution
The third proportional to 454,974.75 and 990,213.75 is: 2,155,115.80
Step by Step Solution
- Step 1: Write the proportion equation
454,974.75 : 990,213.75 = 990,213.75 : x - Step 2: Convert to fraction form
454,974.75/990,213.75 = 990,213.75/x - Step 3: Cross multiply
454,974.75x = 990,213.75 × 990,213.75 - Step 4: Simplify right side
454,974.75x = 980,523,270,689.06 - Step 5: Solve for x
x = 980,523,270,689.06/454,974.75 - Step 6: Final answer
x = 2,155,115.80
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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.