Finding the Third Proportional to 7,856,430 and 16,913,568
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Solution
The third proportional to 7,856,430 and 16,913,568 is: 36,412,057.70
Step by Step Solution
- Step 1: Write the proportion equation
7,856,430 : 16,913,568 = 16,913,568 : x - Step 2: Convert to fraction form
7,856,430/16,913,568 = 16,913,568/x - Step 3: Cross multiply
7,856,430x = 16,913,568 × 16,913,568 - Step 4: Simplify right side
7,856,430x = 286,068,782,490,624 - Step 5: Solve for x
x = 286,068,782,490,624/7,856,430 - Step 6: Final answer
x = 36,412,057.70
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.