Finding the Third Proportional to 9,740 and 13,782
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Solution
The third proportional to 9,740 and 13,782 is: 19,501.39
Step by Step Solution
- Step 1: Write the proportion equation
9,740 : 13,782 = 13,782 : x - Step 2: Convert to fraction form
9,740/13,782 = 13,782/x - Step 3: Cross multiply
9,740x = 13,782 × 13,782 - Step 4: Simplify right side
9,740x = 189,943,524 - Step 5: Solve for x
x = 189,943,524/9,740 - Step 6: Final answer
x = 19,501.39
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.