Finding the Third Proportional to 78,514 and 112,142
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Solution
The third proportional to 78,514 and 112,142 is: 160,173.07
Step by Step Solution
- Step 1: Write the proportion equation
78,514 : 112,142 = 112,142 : x - Step 2: Convert to fraction form
78,514/112,142 = 112,142/x - Step 3: Cross multiply
78,514x = 112,142 × 112,142 - Step 4: Simplify right side
78,514x = 12,575,828,164 - Step 5: Solve for x
x = 12,575,828,164/78,514 - Step 6: Final answer
x = 160,173.07
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.