Finding the Third Proportional to 81,567 and 127,048.50
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Solution
The third proportional to 81,567 and 127,048.50 is: 197,890.34
Step by Step Solution
- Step 1: Write the proportion equation
81,567 : 127,048.50 = 127,048.50 : x - Step 2: Convert to fraction form
81,567/127,048.50 = 127,048.50/x - Step 3: Cross multiply
81,567x = 127,048.50 × 127,048.50 - Step 4: Simplify right side
81,567x = 16,141,321,352.25 - Step 5: Solve for x
x = 16,141,321,352.25/81,567 - Step 6: Final answer
x = 197,890.34
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.