Finding the Third Proportional to 5,306 and 6,879
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Solution
The third proportional to 5,306 and 6,879 is: 8,918.33
Step by Step Solution
- Step 1: Write the proportion equation
5,306 : 6,879 = 6,879 : x - Step 2: Convert to fraction form
5,306/6,879 = 6,879/x - Step 3: Cross multiply
5,306x = 6,879 × 6,879 - Step 4: Simplify right side
5,306x = 47,320,641 - Step 5: Solve for x
x = 47,320,641/5,306 - Step 6: Final answer
x = 8,918.33
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Why These Related Problems?
These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.