Finding the Third Proportional to 64,194.75 and 99,789.75
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Solution
The third proportional to 64,194.75 and 99,789.75 is: 155,121.63
Step by Step Solution
- Step 1: Write the proportion equation
64,194.75 : 99,789.75 = 99,789.75 : x - Step 2: Convert to fraction form
64,194.75/99,789.75 = 99,789.75/x - Step 3: Cross multiply
64,194.75x = 99,789.75 × 99,789.75 - Step 4: Simplify right side
64,194.75x = 9,957,994,205.06 - Step 5: Solve for x
x = 9,957,994,205.06/64,194.75 - Step 6: Final answer
x = 155,121.63
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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.