Finding the Third Proportional to 75,129.75 and 117,004.50
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Solution
The third proportional to 75,129.75 and 117,004.50 is: 182,218.80
Step by Step Solution
- Step 1: Write the proportion equation
75,129.75 : 117,004.50 = 117,004.50 : x - Step 2: Convert to fraction form
75,129.75/117,004.50 = 117,004.50/x - Step 3: Cross multiply
75,129.75x = 117,004.50 × 117,004.50 - Step 4: Simplify right side
75,129.75x = 13,690,053,020.25 - Step 5: Solve for x
x = 13,690,053,020.25/75,129.75 - Step 6: Final answer
x = 182,218.80
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.