Finding the Third Proportional to 129,205,135.13 and 198,597,556.69
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Solution
The third proportional to 129,205,135.13 and 198,597,556.69 is: 305,258,684.06
Step by Step Solution
- Step 1: Write the proportion equation
129,205,135.13 : 198,597,556.69 = 198,597,556.69 : x - Step 2: Convert to fraction form
129,205,135.13/198,597,556.69 = 198,597,556.69/x - Step 3: Cross multiply
129,205,135.13x = 198,597,556.69 × 198,597,556.69 - Step 4: Simplify right side
129,205,135.13x = 39,440,989,522,244,776 - Step 5: Solve for x
x = 39,440,989,522,244,776/129,205,135.13 - Step 6: Final answer
x = 305,258,684.06
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.