Finding the Third Proportional to 309,976 and 657,152
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Solution
The third proportional to 309,976 and 657,152 is: 1,393,168.35
Step by Step Solution
- Step 1: Write the proportion equation
309,976 : 657,152 = 657,152 : x - Step 2: Convert to fraction form
309,976/657,152 = 657,152/x - Step 3: Cross multiply
309,976x = 657,152 × 657,152 - Step 4: Simplify right side
309,976x = 431,848,751,104 - Step 5: Solve for x
x = 431,848,751,104/309,976 - Step 6: Final answer
x = 1,393,168.35
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.