Finding the Third Proportional to 74,812 and 163,700
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Solution
The third proportional to 74,812 and 163,700 is: 358,200.42
Step by Step Solution
- Step 1: Write the proportion equation
74,812 : 163,700 = 163,700 : x - Step 2: Convert to fraction form
74,812/163,700 = 163,700/x - Step 3: Cross multiply
74,812x = 163,700 × 163,700 - Step 4: Simplify right side
74,812x = 26,797,690,000 - Step 5: Solve for x
x = 26,797,690,000/74,812 - Step 6: Final answer
x = 358,200.42
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.