Finding the Third Proportional to 309,876 and 664,950
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Solution
The third proportional to 309,876 and 664,950 is: 1,426,888.51
Step by Step Solution
- Step 1: Write the proportion equation
309,876 : 664,950 = 664,950 : x - Step 2: Convert to fraction form
309,876/664,950 = 664,950/x - Step 3: Cross multiply
309,876x = 664,950 × 664,950 - Step 4: Simplify right side
309,876x = 442,158,502,500 - Step 5: Solve for x
x = 442,158,502,500/309,876 - Step 6: Final answer
x = 1,426,888.51
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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.