Finding the Third Proportional to 321,426 and 651,600
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Solution
The third proportional to 321,426 and 651,600 is: 1,320,934.09
Step by Step Solution
- Step 1: Write the proportion equation
321,426 : 651,600 = 651,600 : x - Step 2: Convert to fraction form
321,426/651,600 = 651,600/x - Step 3: Cross multiply
321,426x = 651,600 × 651,600 - Step 4: Simplify right side
321,426x = 424,582,560,000 - Step 5: Solve for x
x = 424,582,560,000/321,426 - Step 6: Final answer
x = 1,320,934.09
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.