Finding the Third Proportional to 7,457,412 and 11,515,800
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Solution
The third proportional to 7,457,412 and 11,515,800 is: 17,782,797.79
Step by Step Solution
- Step 1: Write the proportion equation
7,457,412 : 11,515,800 = 11,515,800 : x - Step 2: Convert to fraction form
7,457,412/11,515,800 = 11,515,800/x - Step 3: Cross multiply
7,457,412x = 11,515,800 × 11,515,800 - Step 4: Simplify right side
7,457,412x = 132,613,649,640,000 - Step 5: Solve for x
x = 132,613,649,640,000/7,457,412 - Step 6: Final answer
x = 17,782,797.79
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.