Finding the Third Proportional to 138,891.59 and 207,745.07
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Solution
The third proportional to 138,891.59 and 207,745.07 is: 310,731.66
Step by Step Solution
- Step 1: Write the proportion equation
138,891.59 : 207,745.07 = 207,745.07 : x - Step 2: Convert to fraction form
138,891.59/207,745.07 = 207,745.07/x - Step 3: Cross multiply
138,891.59x = 207,745.07 × 207,745.07 - Step 4: Simplify right side
138,891.59x = 43,158,012,616.14 - Step 5: Solve for x
x = 43,158,012,616.14/138,891.59 - Step 6: Final answer
x = 310,731.66
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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.