Finding the Third Proportional to 314,440 and 682,040
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Solution
The third proportional to 314,440 and 682,040 is: 1,479,387.36
Step by Step Solution
- Step 1: Write the proportion equation
314,440 : 682,040 = 682,040 : x - Step 2: Convert to fraction form
314,440/682,040 = 682,040/x - Step 3: Cross multiply
314,440x = 682,040 × 682,040 - Step 4: Simplify right side
314,440x = 465,178,561,600 - Step 5: Solve for x
x = 465,178,561,600/314,440 - Step 6: Final answer
x = 1,479,387.36
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.