Finding the Third Proportional to 7,948.13 and 11,861.44
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Solution
The third proportional to 7,948.13 and 11,861.44 is: 17,701.50
Step by Step Solution
- Step 1: Write the proportion equation
7,948.13 : 11,861.44 = 11,861.44 : x - Step 2: Convert to fraction form
7,948.13/11,861.44 = 11,861.44/x - Step 3: Cross multiply
7,948.13x = 11,861.44 × 11,861.44 - Step 4: Simplify right side
7,948.13x = 140,693,699.57 - Step 5: Solve for x
x = 140,693,699.57/7,948.13 - Step 6: Final answer
x = 17,701.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.