Finding the Third Proportional to 4,129,912 and 8,857,512
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Solution
The third proportional to 4,129,912 and 8,857,512 is: 18,996,898.44
Step by Step Solution
- Step 1: Write the proportion equation
4,129,912 : 8,857,512 = 8,857,512 : x - Step 2: Convert to fraction form
4,129,912/8,857,512 = 8,857,512/x - Step 3: Cross multiply
4,129,912x = 8,857,512 × 8,857,512 - Step 4: Simplify right side
4,129,912x = 78,455,518,830,144 - Step 5: Solve for x
x = 78,455,518,830,144/4,129,912 - Step 6: Final answer
x = 18,996,898.44
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.