Finding the Third Proportional to 74,175.75 and 84,138.75
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Solution
The third proportional to 74,175.75 and 84,138.75 is: 95,439.94
Step by Step Solution
- Step 1: Write the proportion equation
74,175.75 : 84,138.75 = 84,138.75 : x - Step 2: Convert to fraction form
74,175.75/84,138.75 = 84,138.75/x - Step 3: Cross multiply
74,175.75x = 84,138.75 × 84,138.75 - Step 4: Simplify right side
74,175.75x = 7,079,329,251.56 - Step 5: Solve for x
x = 7,079,329,251.56/74,175.75 - Step 6: Final answer
x = 95,439.94
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These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.