Finding the Third Proportional to 31,320 and 47,304
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Solution
The third proportional to 31,320 and 47,304 is: 71,445.35
Step by Step Solution
- Step 1: Write the proportion equation
31,320 : 47,304 = 47,304 : x - Step 2: Convert to fraction form
31,320/47,304 = 47,304/x - Step 3: Cross multiply
31,320x = 47,304 × 47,304 - Step 4: Simplify right side
31,320x = 2,237,668,416 - Step 5: Solve for x
x = 2,237,668,416/31,320 - Step 6: Final answer
x = 71,445.35
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.