Finding the Third Proportional to 85,110.75 and 128,850.75
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Solution
The third proportional to 85,110.75 and 128,850.75 is: 195,069.55
Step by Step Solution
- Step 1: Write the proportion equation
85,110.75 : 128,850.75 = 128,850.75 : x - Step 2: Convert to fraction form
85,110.75/128,850.75 = 128,850.75/x - Step 3: Cross multiply
85,110.75x = 128,850.75 × 128,850.75 - Step 4: Simplify right side
85,110.75x = 16,602,515,775.56 - Step 5: Solve for x
x = 16,602,515,775.56/85,110.75 - Step 6: Final answer
x = 195,069.55
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.