Finding the Third Proportional to 11,805.75 and 15,575.63
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Solution
The third proportional to 11,805.75 and 15,575.63 is: 20,549.32
Step by Step Solution
- Step 1: Write the proportion equation
11,805.75 : 15,575.63 = 15,575.63 : x - Step 2: Convert to fraction form
11,805.75/15,575.63 = 15,575.63/x - Step 3: Cross multiply
11,805.75x = 15,575.63 × 15,575.63 - Step 4: Simplify right side
11,805.75x = 242,600,094.14 - Step 5: Solve for x
x = 242,600,094.14/11,805.75 - Step 6: Final answer
x = 20,549.32
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Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.