Finding the Third Proportional to 7,420,802 and 11,351,903
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Solution
The third proportional to 7,420,802 and 11,351,903 is: 17,365,468.28
Step by Step Solution
- Step 1: Write the proportion equation
7,420,802 : 11,351,903 = 11,351,903 : x - Step 2: Convert to fraction form
7,420,802/11,351,903 = 11,351,903/x - Step 3: Cross multiply
7,420,802x = 11,351,903 × 11,351,903 - Step 4: Simplify right side
7,420,802x = 128,865,701,721,409 - Step 5: Solve for x
x = 128,865,701,721,409/7,420,802 - Step 6: Final answer
x = 17,365,468.28
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.