Finding the Third Proportional to 180,619.13 and 396,990.75
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Solution
The third proportional to 180,619.13 and 396,990.75 is: 872,563.50
Step by Step Solution
- Step 1: Write the proportion equation
180,619.13 : 396,990.75 = 396,990.75 : x - Step 2: Convert to fraction form
180,619.13/396,990.75 = 396,990.75/x - Step 3: Cross multiply
180,619.13x = 396,990.75 × 396,990.75 - Step 4: Simplify right side
180,619.13x = 157,601,655,585.56 - Step 5: Solve for x
x = 157,601,655,585.56/180,619.13 - Step 6: Final answer
x = 872,563.50
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.