Finding the Third Proportional to 129,520,330 and 211,472,652
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Solution
The third proportional to 129,520,330 and 211,472,652 is: 345,279,251.09
Step by Step Solution
- Step 1: Write the proportion equation
129,520,330 : 211,472,652 = 211,472,652 : x - Step 2: Convert to fraction form
129,520,330/211,472,652 = 211,472,652/x - Step 3: Cross multiply
129,520,330x = 211,472,652 × 211,472,652 - Step 4: Simplify right side
129,520,330x = 44,720,682,543,913,104 - Step 5: Solve for x
x = 44,720,682,543,913,104/129,520,330 - Step 6: Final answer
x = 345,279,251.09
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.