Finding the Third Proportional to 128,858.25 and 193,530.75
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Solution
The third proportional to 128,858.25 and 193,530.75 is: 290,661.65
Step by Step Solution
- Step 1: Write the proportion equation
128,858.25 : 193,530.75 = 193,530.75 : x - Step 2: Convert to fraction form
128,858.25/193,530.75 = 193,530.75/x - Step 3: Cross multiply
128,858.25x = 193,530.75 × 193,530.75 - Step 4: Simplify right side
128,858.25x = 37,454,151,195.56 - Step 5: Solve for x
x = 37,454,151,195.56/128,858.25 - Step 6: Final answer
x = 290,661.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.