Finding the Third Proportional to 8,177,649.75 and 12,660,799.50
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Solution
The third proportional to 8,177,649.75 and 12,660,799.50 is: 19,601,700.84
Step by Step Solution
- Step 1: Write the proportion equation
8,177,649.75 : 12,660,799.50 = 12,660,799.50 : x - Step 2: Convert to fraction form
8,177,649.75/12,660,799.50 = 12,660,799.50/x - Step 3: Cross multiply
8,177,649.75x = 12,660,799.50 × 12,660,799.50 - Step 4: Simplify right side
8,177,649.75x = 160,295,843,979,200.25 - Step 5: Solve for x
x = 160,295,843,979,200.25/8,177,649.75 - Step 6: Final answer
x = 19,601,700.84
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.