Finding the Third Proportional to 7,530.75 and 15,918.75
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Solution
The third proportional to 7,530.75 and 15,918.75 is: 33,649.58
Step by Step Solution
- Step 1: Write the proportion equation
7,530.75 : 15,918.75 = 15,918.75 : x - Step 2: Convert to fraction form
7,530.75/15,918.75 = 15,918.75/x - Step 3: Cross multiply
7,530.75x = 15,918.75 × 15,918.75 - Step 4: Simplify right side
7,530.75x = 253,406,601.56 - Step 5: Solve for x
x = 253,406,601.56/7,530.75 - Step 6: Final answer
x = 33,649.58
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.