Finding the Third Proportional to 75,816 and 117,720.75
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Solution
The third proportional to 75,816 and 117,720.75 is: 182,786.94
Step by Step Solution
- Step 1: Write the proportion equation
75,816 : 117,720.75 = 117,720.75 : x - Step 2: Convert to fraction form
75,816/117,720.75 = 117,720.75/x - Step 3: Cross multiply
75,816x = 117,720.75 × 117,720.75 - Step 4: Simplify right side
75,816x = 13,858,174,980.56 - Step 5: Solve for x
x = 13,858,174,980.56/75,816 - Step 6: Final answer
x = 182,786.94
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.