Finding the Third Proportional to 454,723.88 and 990,178.17
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Solution
The third proportional to 454,723.88 and 990,178.17 is: 2,156,149.84
Step by Step Solution
- Step 1: Write the proportion equation
454,723.88 : 990,178.17 = 990,178.17 : x - Step 2: Convert to fraction form
454,723.88/990,178.17 = 990,178.17/x - Step 3: Cross multiply
454,723.88x = 990,178.17 × 990,178.17 - Step 4: Simplify right side
454,723.88x = 980,452,812,057.72 - Step 5: Solve for x
x = 980,452,812,057.72/454,723.88 - Step 6: Final answer
x = 2,156,149.84
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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.