Owen Morrison
08/07/2024 · Junior High School
\( \frac { 20 } { \square } = \frac { 30 } { 81 } = \frac { \square } { 108 } \)
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Tutor-Verified Answer
Step-by-step Solution
To solve this problem, we need to find the missing numbers in the equation. We have three fractions that are equal to each other:
\[ \frac{20}{\square} = \frac{30}{81} = \frac{\square}{108} \]
First, let's find the missing number in the first fraction by setting the two equal fractions equal to each other:
\[ \frac{20}{\square} = \frac{30}{81} \]
To find the missing denominator, we can cross-multiply:
\[ 20 \times 81 = 30 \times \square \]
\[ 1620 = 30 \times \square \]
Now, divide both sides by 30 to solve for the missing denominator:
\[ \square = \frac{1620}{30} \]
\[ \square = 54 \]
So the first fraction is:
\[ \frac{20}{54} \]
Now, let's find the missing number in the third fraction by setting the two equal fractions equal to each other:
\[ \frac{30}{81} = \frac{\square}{108} \]
Again, we cross-multiply:
\[ 30 \times 108 = 81 \times \square \]
\[ 3240 = 81 \times \square \]
Now, divide both sides by 81 to solve for the missing numerator:
\[ \square = \frac{3240}{81} \]
\[ \square = 40 \]
So the third fraction is:
\[ \frac{40}{108} \]
To summarize, the missing numbers are 54 and 40. The complete equation is:
\[ \frac{20}{54} = \frac{30}{81} = \frac{40}{108} \]
Quick Answer
The missing numbers are 54 and 40. The equation is:
\[ \frac{20}{54} = \frac{30}{81} = \frac{40}{108} \]
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