Finding the Third Proportional to 18,573.75 and 40,821.75
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Solution
The third proportional to 18,573.75 and 40,821.75 is: 89,718.84
Step by Step Solution
- Step 1: Write the proportion equation
18,573.75 : 40,821.75 = 40,821.75 : x - Step 2: Convert to fraction form
18,573.75/40,821.75 = 40,821.75/x - Step 3: Cross multiply
18,573.75x = 40,821.75 × 40,821.75 - Step 4: Simplify right side
18,573.75x = 1,666,415,273.06 - Step 5: Solve for x
x = 1,666,415,273.06/18,573.75 - Step 6: Final answer
x = 89,718.84
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.