Finding the Third Proportional to 2,129,615 and 4,618,545
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Solution
The third proportional to 2,129,615 and 4,618,545 is: 10,016,344.70
Step by Step Solution
- Step 1: Write the proportion equation
2,129,615 : 4,618,545 = 4,618,545 : x - Step 2: Convert to fraction form
2,129,615/4,618,545 = 4,618,545/x - Step 3: Cross multiply
2,129,615x = 4,618,545 × 4,618,545 - Step 4: Simplify right side
2,129,615x = 21,330,957,917,025 - Step 5: Solve for x
x = 21,330,957,917,025/2,129,615 - Step 6: Final answer
x = 10,016,344.70
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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.