Finding the Third Proportional to 286,163.75 and 388,648.75
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Solution
The third proportional to 286,163.75 and 388,648.75 is: 527,837.12
Step by Step Solution
- Step 1: Write the proportion equation
286,163.75 : 388,648.75 = 388,648.75 : x - Step 2: Convert to fraction form
286,163.75/388,648.75 = 388,648.75/x - Step 3: Cross multiply
286,163.75x = 388,648.75 × 388,648.75 - Step 4: Simplify right side
286,163.75x = 151,047,850,876.56 - Step 5: Solve for x
x = 151,047,850,876.56/286,163.75 - Step 6: Final answer
x = 527,837.12
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.