Finding the Third Proportional to 4,910 and 6,717
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Solution
The third proportional to 4,910 and 6,717 is: 9,189.02
Step by Step Solution
- Step 1: Write the proportion equation
4,910 : 6,717 = 6,717 : x - Step 2: Convert to fraction form
4,910/6,717 = 6,717/x - Step 3: Cross multiply
4,910x = 6,717 × 6,717 - Step 4: Simplify right side
4,910x = 45,118,089 - Step 5: Solve for x
x = 45,118,089/4,910 - Step 6: Final answer
x = 9,189.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.