Finding the Third Proportional to 74,913.25 and 160,943.75
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Solution
The third proportional to 74,913.25 and 160,943.75 is: 345,771.82
Step by Step Solution
- Step 1: Write the proportion equation
74,913.25 : 160,943.75 = 160,943.75 : x - Step 2: Convert to fraction form
74,913.25/160,943.75 = 160,943.75/x - Step 3: Cross multiply
74,913.25x = 160,943.75 × 160,943.75 - Step 4: Simplify right side
74,913.25x = 25,902,890,664.06 - Step 5: Solve for x
x = 25,902,890,664.06/74,913.25 - Step 6: Final answer
x = 345,771.82
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.