Finding the Third Proportional to 75,609.75 and 114,021.75
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Solution
The third proportional to 75,609.75 and 114,021.75 is: 171,948.19
Step by Step Solution
- Step 1: Write the proportion equation
75,609.75 : 114,021.75 = 114,021.75 : x - Step 2: Convert to fraction form
75,609.75/114,021.75 = 114,021.75/x - Step 3: Cross multiply
75,609.75x = 114,021.75 × 114,021.75 - Step 4: Simplify right side
75,609.75x = 13,000,959,473.06 - Step 5: Solve for x
x = 13,000,959,473.06/75,609.75 - Step 6: Final answer
x = 171,948.19
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.