Finding the Third Proportional to 188,844.75 and 386,415.56
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Solution
The third proportional to 188,844.75 and 386,415.56 is: 790,686.46
Step by Step Solution
- Step 1: Write the proportion equation
188,844.75 : 386,415.56 = 386,415.56 : x - Step 2: Convert to fraction form
188,844.75/386,415.56 = 386,415.56/x - Step 3: Cross multiply
188,844.75x = 386,415.56 × 386,415.56 - Step 4: Simplify right side
188,844.75x = 149,316,986,942.19 - Step 5: Solve for x
x = 149,316,986,942.19/188,844.75 - Step 6: Final answer
x = 790,686.46
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.