Finding the Third Proportional to 7,115.63 and 11,177.44
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Solution
The third proportional to 7,115.63 and 11,177.44 is: 17,557.85
Step by Step Solution
- Step 1: Write the proportion equation
7,115.63 : 11,177.44 = 11,177.44 : x - Step 2: Convert to fraction form
7,115.63/11,177.44 = 11,177.44/x - Step 3: Cross multiply
7,115.63x = 11,177.44 × 11,177.44 - Step 4: Simplify right side
7,115.63x = 124,935,109.07 - Step 5: Solve for x
x = 124,935,109.07/7,115.63 - Step 6: Final answer
x = 17,557.85
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.