Finding the Third Proportional to 7,818.19 and 11,728.13
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Solution
The third proportional to 7,818.19 and 11,728.13 is: 17,593.45
Step by Step Solution
- Step 1: Write the proportion equation
7,818.19 : 11,728.13 = 11,728.13 : x - Step 2: Convert to fraction form
7,818.19/11,728.13 = 11,728.13/x - Step 3: Cross multiply
7,818.19x = 11,728.13 × 11,728.13 - Step 4: Simplify right side
7,818.19x = 137,548,916.02 - Step 5: Solve for x
x = 137,548,916.02/7,818.19 - Step 6: Final answer
x = 17,593.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.