Finding the Third Proportional to 80,418.75 and 118,287.75
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Solution
The third proportional to 80,418.75 and 118,287.75 is: 173,989.17
Step by Step Solution
- Step 1: Write the proportion equation
80,418.75 : 118,287.75 = 118,287.75 : x - Step 2: Convert to fraction form
80,418.75/118,287.75 = 118,287.75/x - Step 3: Cross multiply
80,418.75x = 118,287.75 × 118,287.75 - Step 4: Simplify right side
80,418.75x = 13,991,991,800.06 - Step 5: Solve for x
x = 13,991,991,800.06/80,418.75 - Step 6: Final answer
x = 173,989.17
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.