Finding the Third Proportional to 5,128,796 and 8,121,325
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Solution
The third proportional to 5,128,796 and 8,121,325 is: 12,859,922.63
Step by Step Solution
- Step 1: Write the proportion equation
5,128,796 : 8,121,325 = 8,121,325 : x - Step 2: Convert to fraction form
5,128,796/8,121,325 = 8,121,325/x - Step 3: Cross multiply
5,128,796x = 8,121,325 × 8,121,325 - Step 4: Simplify right side
5,128,796x = 65,955,919,755,625 - Step 5: Solve for x
x = 65,955,919,755,625/5,128,796 - Step 6: Final answer
x = 12,859,922.63
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.