Finding the Third Proportional to 8,380.13 and 11,917.13
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Solution
The third proportional to 8,380.13 and 11,917.13 is: 16,946.99
Step by Step Solution
- Step 1: Write the proportion equation
8,380.13 : 11,917.13 = 11,917.13 : x - Step 2: Convert to fraction form
8,380.13/11,917.13 = 11,917.13/x - Step 3: Cross multiply
8,380.13x = 11,917.13 × 11,917.13 - Step 4: Simplify right side
8,380.13x = 142,017,868.27 - Step 5: Solve for x
x = 142,017,868.27/8,380.13 - Step 6: Final answer
x = 16,946.99
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.