Finding the Third Proportional to 129,520,324 and 211,472,642
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Solution
The third proportional to 129,520,324 and 211,472,642 is: 345,279,234.43
Step by Step Solution
- Step 1: Write the proportion equation
129,520,324 : 211,472,642 = 211,472,642 : x - Step 2: Convert to fraction form
129,520,324/211,472,642 = 211,472,642/x - Step 3: Cross multiply
129,520,324x = 211,472,642 × 211,472,642 - Step 4: Simplify right side
129,520,324x = 44,720,678,314,460,160 - Step 5: Solve for x
x = 44,720,678,314,460,160/129,520,324 - Step 6: Final answer
x = 345,279,234.43
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Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.