Finding the Third Proportional to 3,115,722 and 6,479,115
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Solution
The third proportional to 3,115,722 and 6,479,115 is: 13,473,259.55
Step by Step Solution
- Step 1: Write the proportion equation
3,115,722 : 6,479,115 = 6,479,115 : x - Step 2: Convert to fraction form
3,115,722/6,479,115 = 6,479,115/x - Step 3: Cross multiply
3,115,722x = 6,479,115 × 6,479,115 - Step 4: Simplify right side
3,115,722x = 41,978,931,183,225 - Step 5: Solve for x
x = 41,978,931,183,225/3,115,722 - Step 6: Final answer
x = 13,473,259.55
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.