Finding the Third Proportional to 7,312 and 15,866
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Solution
The third proportional to 7,312 and 15,866 is: 34,426.96
Step by Step Solution
- Step 1: Write the proportion equation
7,312 : 15,866 = 15,866 : x - Step 2: Convert to fraction form
7,312/15,866 = 15,866/x - Step 3: Cross multiply
7,312x = 15,866 × 15,866 - Step 4: Simplify right side
7,312x = 251,729,956 - Step 5: Solve for x
x = 251,729,956/7,312 - Step 6: Final answer
x = 34,426.96
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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.