Finding the Third Proportional to 128,473.13 and 276,630.94
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Solution
The third proportional to 128,473.13 and 276,630.94 is: 595,647.34
Step by Step Solution
- Step 1: Write the proportion equation
128,473.13 : 276,630.94 = 276,630.94 : x - Step 2: Convert to fraction form
128,473.13/276,630.94 = 276,630.94/x - Step 3: Cross multiply
128,473.13x = 276,630.94 × 276,630.94 - Step 4: Simplify right side
128,473.13x = 76,524,675,582.13 - Step 5: Solve for x
x = 76,524,675,582.13/128,473.13 - Step 6: Final answer
x = 595,647.34
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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.