Finding the Third Proportional to 11,679.19 and 12,708.14
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Solution
The third proportional to 11,679.19 and 12,708.14 is: 13,827.75
Step by Step Solution
- Step 1: Write the proportion equation
11,679.19 : 12,708.14 = 12,708.14 : x - Step 2: Convert to fraction form
11,679.19/12,708.14 = 12,708.14/x - Step 3: Cross multiply
11,679.19x = 12,708.14 × 12,708.14 - Step 4: Simplify right side
11,679.19x = 161,496,838.14 - Step 5: Solve for x
x = 161,496,838.14/11,679.19 - Step 6: Final answer
x = 13,827.75
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.