Finding the Third Proportional to 7,477,639 and 16,231,470
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Solution
The third proportional to 7,477,639 and 16,231,470 is: 35,233,128.85
Step by Step Solution
- Step 1: Write the proportion equation
7,477,639 : 16,231,470 = 16,231,470 : x - Step 2: Convert to fraction form
7,477,639/16,231,470 = 16,231,470/x - Step 3: Cross multiply
7,477,639x = 16,231,470 × 16,231,470 - Step 4: Simplify right side
7,477,639x = 263,460,618,360,900 - Step 5: Solve for x
x = 263,460,618,360,900/7,477,639 - Step 6: Final answer
x = 35,233,128.85
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.