Finding the Third Proportional to 79,764.75 and 174,018.75
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Solution
The third proportional to 79,764.75 and 174,018.75 is: 379,647.97
Step by Step Solution
- Step 1: Write the proportion equation
79,764.75 : 174,018.75 = 174,018.75 : x - Step 2: Convert to fraction form
79,764.75/174,018.75 = 174,018.75/x - Step 3: Cross multiply
79,764.75x = 174,018.75 × 174,018.75 - Step 4: Simplify right side
79,764.75x = 30,282,525,351.56 - Step 5: Solve for x
x = 30,282,525,351.56/79,764.75 - Step 6: Final answer
x = 379,647.97
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.