Finding the Third Proportional to 81,015.75 and 127,257.75
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Solution
The third proportional to 81,015.75 and 127,257.75 is: 199,893.66
Step by Step Solution
- Step 1: Write the proportion equation
81,015.75 : 127,257.75 = 127,257.75 : x - Step 2: Convert to fraction form
81,015.75/127,257.75 = 127,257.75/x - Step 3: Cross multiply
81,015.75x = 127,257.75 × 127,257.75 - Step 4: Simplify right side
81,015.75x = 16,194,534,935.06 - Step 5: Solve for x
x = 16,194,534,935.06/81,015.75 - Step 6: Final answer
x = 199,893.66
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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.