Finding the Third Proportional to 19,140 and 27,400
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Solution
The third proportional to 19,140 and 27,400 is: 39,224.66
Step by Step Solution
- Step 1: Write the proportion equation
19,140 : 27,400 = 27,400 : x - Step 2: Convert to fraction form
19,140/27,400 = 27,400/x - Step 3: Cross multiply
19,140x = 27,400 × 27,400 - Step 4: Simplify right side
19,140x = 750,760,000 - Step 5: Solve for x
x = 750,760,000/19,140 - Step 6: Final answer
x = 39,224.66
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.