Finding the Third Proportional to 308,936 and 721,768
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Solution
The third proportional to 308,936 and 721,768 is: 1,686,268.50
Step by Step Solution
- Step 1: Write the proportion equation
308,936 : 721,768 = 721,768 : x - Step 2: Convert to fraction form
308,936/721,768 = 721,768/x - Step 3: Cross multiply
308,936x = 721,768 × 721,768 - Step 4: Simplify right side
308,936x = 520,949,045,824 - Step 5: Solve for x
x = 520,949,045,824/308,936 - Step 6: Final answer
x = 1,686,268.50
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These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.