Finding the Third Proportional to 78,894 and 110,970
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Solution
The third proportional to 78,894 and 110,970 is: 156,087.17
Step by Step Solution
- Step 1: Write the proportion equation
78,894 : 110,970 = 110,970 : x - Step 2: Convert to fraction form
78,894/110,970 = 110,970/x - Step 3: Cross multiply
78,894x = 110,970 × 110,970 - Step 4: Simplify right side
78,894x = 12,314,340,900 - Step 5: Solve for x
x = 12,314,340,900/78,894 - Step 6: Final answer
x = 156,087.17
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.