Finding the Third Proportional to 81,896.06 and 127,218.09
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Solution
The third proportional to 81,896.06 and 127,218.09 is: 197,621.75
Step by Step Solution
- Step 1: Write the proportion equation
81,896.06 : 127,218.09 = 127,218.09 : x - Step 2: Convert to fraction form
81,896.06/127,218.09 = 127,218.09/x - Step 3: Cross multiply
81,896.06x = 127,218.09 × 127,218.09 - Step 4: Simplify right side
81,896.06x = 16,184,443,377.38 - Step 5: Solve for x
x = 16,184,443,377.38/81,896.06 - Step 6: Final answer
x = 197,621.75
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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.