Finding the Third Proportional to 38,940.75 and 84,138.75
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Solution
The third proportional to 38,940.75 and 84,138.75 is: 181,797.46
Step by Step Solution
- Step 1: Write the proportion equation
38,940.75 : 84,138.75 = 84,138.75 : x - Step 2: Convert to fraction form
38,940.75/84,138.75 = 84,138.75/x - Step 3: Cross multiply
38,940.75x = 84,138.75 × 84,138.75 - Step 4: Simplify right side
38,940.75x = 7,079,329,251.56 - Step 5: Solve for x
x = 7,079,329,251.56/38,940.75 - Step 6: Final answer
x = 181,797.46
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.