Finding the Third Proportional to 76,665.75 and 117,468.75
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Solution
The third proportional to 76,665.75 and 117,468.75 is: 179,987.90
Step by Step Solution
- Step 1: Write the proportion equation
76,665.75 : 117,468.75 = 117,468.75 : x - Step 2: Convert to fraction form
76,665.75/117,468.75 = 117,468.75/x - Step 3: Cross multiply
76,665.75x = 117,468.75 × 117,468.75 - Step 4: Simplify right side
76,665.75x = 13,798,907,226.56 - Step 5: Solve for x
x = 13,798,907,226.56/76,665.75 - Step 6: Final answer
x = 179,987.90
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.