Finding the Third Proportional to 78,014 and 111,560
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Solution
The third proportional to 78,014 and 111,560 is: 159,530.77
Step by Step Solution
- Step 1: Write the proportion equation
78,014 : 111,560 = 111,560 : x - Step 2: Convert to fraction form
78,014/111,560 = 111,560/x - Step 3: Cross multiply
78,014x = 111,560 × 111,560 - Step 4: Simplify right side
78,014x = 12,445,633,600 - Step 5: Solve for x
x = 12,445,633,600/78,014 - Step 6: Final answer
x = 159,530.77
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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.