Finding the Third Proportional to 658 and 1,641
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Solution
The third proportional to 658 and 1,641 is: 4,092.52
Step by Step Solution
- Step 1: Write the proportion equation
658 : 1,641 = 1,641 : x - Step 2: Convert to fraction form
658/1,641 = 1,641/x - Step 3: Cross multiply
658x = 1,641 × 1,641 - Step 4: Simplify right side
658x = 2,692,881 - Step 5: Solve for x
x = 2,692,881/658 - Step 6: Final answer
x = 4,092.52
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Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.