Finding the Third Proportional to 288,392 and 430,196
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Solution
The third proportional to 288,392 and 430,196 is: 641,725.84
Step by Step Solution
- Step 1: Write the proportion equation
288,392 : 430,196 = 430,196 : x - Step 2: Convert to fraction form
288,392/430,196 = 430,196/x - Step 3: Cross multiply
288,392x = 430,196 × 430,196 - Step 4: Simplify right side
288,392x = 185,068,598,416 - Step 5: Solve for x
x = 185,068,598,416/288,392 - Step 6: Final answer
x = 641,725.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.