Finding the Third Proportional to 78,840 and 119,076
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Solution
The third proportional to 78,840 and 119,076 is: 179,846.45
Step by Step Solution
- Step 1: Write the proportion equation
78,840 : 119,076 = 119,076 : x - Step 2: Convert to fraction form
78,840/119,076 = 119,076/x - Step 3: Cross multiply
78,840x = 119,076 × 119,076 - Step 4: Simplify right side
78,840x = 14,179,093,776 - Step 5: Solve for x
x = 14,179,093,776/78,840 - Step 6: Final answer
x = 179,846.45
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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.