Finding the Third Proportional to 103,655.25 and 279,231.75
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Solution
The third proportional to 103,655.25 and 279,231.75 is: 752,208.60
Step by Step Solution
- Step 1: Write the proportion equation
103,655.25 : 279,231.75 = 279,231.75 : x - Step 2: Convert to fraction form
103,655.25/279,231.75 = 279,231.75/x - Step 3: Cross multiply
103,655.25x = 279,231.75 × 279,231.75 - Step 4: Simplify right side
103,655.25x = 77,970,370,208.06 - Step 5: Solve for x
x = 77,970,370,208.06/103,655.25 - Step 6: Final answer
x = 752,208.60
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Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.