Finding the Third Proportional to 75,639.94 and 117,117.56
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Solution
The third proportional to 75,639.94 and 117,117.56 is: 181,339.70
Step by Step Solution
- Step 1: Write the proportion equation
75,639.94 : 117,117.56 = 117,117.56 : x - Step 2: Convert to fraction form
75,639.94/117,117.56 = 117,117.56/x - Step 3: Cross multiply
75,639.94x = 117,117.56 × 117,117.56 - Step 4: Simplify right side
75,639.94x = 13,716,523,445.94 - Step 5: Solve for x
x = 13,716,523,445.94/75,639.94 - Step 6: Final answer
x = 181,339.70
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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.