Finding the Third Proportional to 74,363.44 and 144,990.75
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Solution
The third proportional to 74,363.44 and 144,990.75 is: 282,696.96
Step by Step Solution
- Step 1: Write the proportion equation
74,363.44 : 144,990.75 = 144,990.75 : x - Step 2: Convert to fraction form
74,363.44/144,990.75 = 144,990.75/x - Step 3: Cross multiply
74,363.44x = 144,990.75 × 144,990.75 - Step 4: Simplify right side
74,363.44x = 21,022,317,585.56 - Step 5: Solve for x
x = 21,022,317,585.56/74,363.44 - Step 6: Final answer
x = 282,696.96
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These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.