Finding the Third Proportional to 6,715 and 10,442
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Solution
The third proportional to 6,715 and 10,442 is: 16,237.58
Step by Step Solution
- Step 1: Write the proportion equation
6,715 : 10,442 = 10,442 : x - Step 2: Convert to fraction form
6,715/10,442 = 10,442/x - Step 3: Cross multiply
6,715x = 10,442 × 10,442 - Step 4: Simplify right side
6,715x = 109,035,364 - Step 5: Solve for x
x = 109,035,364/6,715 - Step 6: Final answer
x = 16,237.58
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.