Finding the Third Proportional to 7,918.13 and 11,503.13
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Solution
The third proportional to 7,918.13 and 11,503.13 is: 16,711.26
Step by Step Solution
- Step 1: Write the proportion equation
7,918.13 : 11,503.13 = 11,503.13 : x - Step 2: Convert to fraction form
7,918.13/11,503.13 = 11,503.13/x - Step 3: Cross multiply
7,918.13x = 11,503.13 × 11,503.13 - Step 4: Simplify right side
7,918.13x = 132,321,884.77 - Step 5: Solve for x
x = 132,321,884.77/7,918.13 - Step 6: Final answer
x = 16,711.26
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.