Finding the Third Proportional to 7,132.50 and 15,189.75
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Solution
The third proportional to 7,132.50 and 15,189.75 is: 32,348.90
Step by Step Solution
- Step 1: Write the proportion equation
7,132.50 : 15,189.75 = 15,189.75 : x - Step 2: Convert to fraction form
7,132.50/15,189.75 = 15,189.75/x - Step 3: Cross multiply
7,132.50x = 15,189.75 × 15,189.75 - Step 4: Simplify right side
7,132.50x = 230,728,505.06 - Step 5: Solve for x
x = 230,728,505.06/7,132.50 - Step 6: Final answer
x = 32,348.90
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.