Finding the Third Proportional to 47,742 and 103,980
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Solution
The third proportional to 47,742 and 103,980 is: 226,463.92
Step by Step Solution
- Step 1: Write the proportion equation
47,742 : 103,980 = 103,980 : x - Step 2: Convert to fraction form
47,742/103,980 = 103,980/x - Step 3: Cross multiply
47,742x = 103,980 × 103,980 - Step 4: Simplify right side
47,742x = 10,811,840,400 - Step 5: Solve for x
x = 10,811,840,400/47,742 - Step 6: Final answer
x = 226,463.92
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.