Finding the Third Proportional to 490,861.69 and 720,133.03
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Solution
The third proportional to 490,861.69 and 720,133.03 is: 1,056,492.28
Step by Step Solution
- Step 1: Write the proportion equation
490,861.69 : 720,133.03 = 720,133.03 : x - Step 2: Convert to fraction form
490,861.69/720,133.03 = 720,133.03/x - Step 3: Cross multiply
490,861.69x = 720,133.03 × 720,133.03 - Step 4: Simplify right side
490,861.69x = 518,591,582,697.31 - Step 5: Solve for x
x = 518,591,582,697.31/490,861.69 - Step 6: Final answer
x = 1,056,492.28
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.