Finding the Third Proportional to 218,556,474.75 and 445,892,343.75
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Solution
The third proportional to 218,556,474.75 and 445,892,343.75 is: 909,696,143.49
Step by Step Solution
- Step 1: Write the proportion equation
218,556,474.75 : 445,892,343.75 = 445,892,343.75 : x - Step 2: Convert to fraction form
218,556,474.75/445,892,343.75 = 445,892,343.75/x - Step 3: Cross multiply
218,556,474.75x = 445,892,343.75 × 445,892,343.75 - Step 4: Simplify right side
218,556,474.75x = 198,819,982,214,868,160 - Step 5: Solve for x
x = 198,819,982,214,868,160/218,556,474.75 - Step 6: Final answer
x = 909,696,143.49
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.