Finding the Third Proportional to 7,629.19 and 15,612.75
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Solution
The third proportional to 7,629.19 and 15,612.75 is: 31,950.71
Step by Step Solution
- Step 1: Write the proportion equation
7,629.19 : 15,612.75 = 15,612.75 : x - Step 2: Convert to fraction form
7,629.19/15,612.75 = 15,612.75/x - Step 3: Cross multiply
7,629.19x = 15,612.75 × 15,612.75 - Step 4: Simplify right side
7,629.19x = 243,757,962.56 - Step 5: Solve for x
x = 243,757,962.56/7,629.19 - Step 6: Final answer
x = 31,950.71
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.