Finding the Third Proportional to 129,204,373.50 and 198,596,463.75
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Solution
The third proportional to 129,204,373.50 and 198,596,463.75 is: 305,257,123.62
Step by Step Solution
- Step 1: Write the proportion equation
129,204,373.50 : 198,596,463.75 = 198,596,463.75 : x - Step 2: Convert to fraction form
129,204,373.50/198,596,463.75 = 198,596,463.75/x - Step 3: Cross multiply
129,204,373.50x = 198,596,463.75 × 198,596,463.75 - Step 4: Simplify right side
129,204,373.50x = 39,440,555,414,005,064 - Step 5: Solve for x
x = 39,440,555,414,005,064/129,204,373.50 - Step 6: Final answer
x = 305,257,123.62
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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.