Finding the Third Proportional to 190,639.69 and 397,069.31
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Solution
The third proportional to 190,639.69 and 397,069.31 is: 827,026.32
Step by Step Solution
- Step 1: Write the proportion equation
190,639.69 : 397,069.31 = 397,069.31 : x - Step 2: Convert to fraction form
190,639.69/397,069.31 = 397,069.31/x - Step 3: Cross multiply
190,639.69x = 397,069.31 × 397,069.31 - Step 4: Simplify right side
190,639.69x = 157,664,038,929.22 - Step 5: Solve for x
x = 157,664,038,929.22/190,639.69 - Step 6: Final answer
x = 827,026.32
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.