Finding the Third Proportional to 21,991.88 and 48,357.75
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Solution
The third proportional to 21,991.88 and 48,357.75 is: 106,333.45
Step by Step Solution
- Step 1: Write the proportion equation
21,991.88 : 48,357.75 = 48,357.75 : x - Step 2: Convert to fraction form
21,991.88/48,357.75 = 48,357.75/x - Step 3: Cross multiply
21,991.88x = 48,357.75 × 48,357.75 - Step 4: Simplify right side
21,991.88x = 2,338,471,985.06 - Step 5: Solve for x
x = 2,338,471,985.06/21,991.88 - Step 6: Final answer
x = 106,333.45
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.