Finding the Third Proportional to 81,810 and 95,620.50
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Solution
The third proportional to 81,810 and 95,620.50 is: 111,762.38
Step by Step Solution
- Step 1: Write the proportion equation
81,810 : 95,620.50 = 95,620.50 : x - Step 2: Convert to fraction form
81,810/95,620.50 = 95,620.50/x - Step 3: Cross multiply
81,810x = 95,620.50 × 95,620.50 - Step 4: Simplify right side
81,810x = 9,143,280,020.25 - Step 5: Solve for x
x = 9,143,280,020.25/81,810 - Step 6: Final answer
x = 111,762.38
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Why These Related Problems?
These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.