Finding the Third Proportional to 7,457,402 and 11,515,787
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Solution
The third proportional to 7,457,402 and 11,515,787 is: 17,782,781.49
Step by Step Solution
- Step 1: Write the proportion equation
7,457,402 : 11,515,787 = 11,515,787 : x - Step 2: Convert to fraction form
7,457,402/11,515,787 = 11,515,787/x - Step 3: Cross multiply
7,457,402x = 11,515,787 × 11,515,787 - Step 4: Simplify right side
7,457,402x = 132,613,350,229,369 - Step 5: Solve for x
x = 132,613,350,229,369/7,457,402 - Step 6: Final answer
x = 17,782,781.49
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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.