Finding the Third Proportional to 187,716.38 and 388,740.75
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Solution
The third proportional to 187,716.38 and 388,740.75 is: 805,040.96
Step by Step Solution
- Step 1: Write the proportion equation
187,716.38 : 388,740.75 = 388,740.75 : x - Step 2: Convert to fraction form
187,716.38/388,740.75 = 388,740.75/x - Step 3: Cross multiply
187,716.38x = 388,740.75 × 388,740.75 - Step 4: Simplify right side
187,716.38x = 151,119,370,710.56 - Step 5: Solve for x
x = 151,119,370,710.56/187,716.38 - Step 6: Final answer
x = 805,040.96
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.