Finding the Third Proportional to 7,981,585.50 and 12,171,660.75
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Solution
The third proportional to 7,981,585.50 and 12,171,660.75 is: 18,561,390.52
Step by Step Solution
- Step 1: Write the proportion equation
7,981,585.50 : 12,171,660.75 = 12,171,660.75 : x - Step 2: Convert to fraction form
7,981,585.50/12,171,660.75 = 12,171,660.75/x - Step 3: Cross multiply
7,981,585.50x = 12,171,660.75 × 12,171,660.75 - Step 4: Simplify right side
7,981,585.50x = 148,149,325,413,090.56 - Step 5: Solve for x
x = 148,149,325,413,090.56/7,981,585.50 - Step 6: Final answer
x = 18,561,390.52
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.