Finding the Third Proportional to 128,896.31 and 276,837.75
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Solution
The third proportional to 128,896.31 and 276,837.75 is: 594,579.77
Step by Step Solution
- Step 1: Write the proportion equation
128,896.31 : 276,837.75 = 276,837.75 : x - Step 2: Convert to fraction form
128,896.31/276,837.75 = 276,837.75/x - Step 3: Cross multiply
128,896.31x = 276,837.75 × 276,837.75 - Step 4: Simplify right side
128,896.31x = 76,639,139,825.06 - Step 5: Solve for x
x = 76,639,139,825.06/128,896.31 - Step 6: Final answer
x = 594,579.77
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.