Finding the Third Proportional to 186,861.75 and 398,637.75
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Solution
The third proportional to 186,861.75 and 398,637.75 is: 850,425.81
Step by Step Solution
- Step 1: Write the proportion equation
186,861.75 : 398,637.75 = 398,637.75 : x - Step 2: Convert to fraction form
186,861.75/398,637.75 = 398,637.75/x - Step 3: Cross multiply
186,861.75x = 398,637.75 × 398,637.75 - Step 4: Simplify right side
186,861.75x = 158,912,055,725.06 - Step 5: Solve for x
x = 158,912,055,725.06/186,861.75 - Step 6: Final answer
x = 850,425.81
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.