Finding the Third Proportional to 307,971,568 and 641,417,798
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Solution
The third proportional to 307,971,568 and 641,417,798 is: 1,335,892,122.32
Step by Step Solution
- Step 1: Write the proportion equation
307,971,568 : 641,417,798 = 641,417,798 : x - Step 2: Convert to fraction form
307,971,568/641,417,798 = 641,417,798/x - Step 3: Cross multiply
307,971,568x = 641,417,798 × 641,417,798 - Step 4: Simplify right side
307,971,568x = 411,416,791,591,168,832 - Step 5: Solve for x
x = 411,416,791,591,168,832/307,971,568 - Step 6: Final answer
x = 1,335,892,122.32
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.