Finding the Third Proportional to 136,739.25 and 206,934.75
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Solution
The third proportional to 136,739.25 and 206,934.75 is: 313,165.32
Step by Step Solution
- Step 1: Write the proportion equation
136,739.25 : 206,934.75 = 206,934.75 : x - Step 2: Convert to fraction form
136,739.25/206,934.75 = 206,934.75/x - Step 3: Cross multiply
136,739.25x = 206,934.75 × 206,934.75 - Step 4: Simplify right side
136,739.25x = 42,821,990,757.56 - Step 5: Solve for x
x = 42,821,990,757.56/136,739.25 - Step 6: Final answer
x = 313,165.32
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.