Finding the Third Proportional to 86,391.84 and 135,230.92
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Solution
The third proportional to 86,391.84 and 135,230.92 is: 211,679.75
Step by Step Solution
- Step 1: Write the proportion equation
86,391.84 : 135,230.92 = 135,230.92 : x - Step 2: Convert to fraction form
86,391.84/135,230.92 = 135,230.92/x - Step 3: Cross multiply
86,391.84x = 135,230.92 × 135,230.92 - Step 4: Simplify right side
86,391.84x = 18,287,402,759.41 - Step 5: Solve for x
x = 18,287,402,759.41/86,391.84 - Step 6: Final answer
x = 211,679.75
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.