Finding the Third Proportional to 21,318.19 and 43,998.19
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Solution
The third proportional to 21,318.19 and 43,998.19 is: 90,806.99
Step by Step Solution
- Step 1: Write the proportion equation
21,318.19 : 43,998.19 = 43,998.19 : x - Step 2: Convert to fraction form
21,318.19/43,998.19 = 43,998.19/x - Step 3: Cross multiply
21,318.19x = 43,998.19 × 43,998.19 - Step 4: Simplify right side
21,318.19x = 1,935,840,503.29 - Step 5: Solve for x
x = 1,935,840,503.29/21,318.19 - Step 6: Final answer
x = 90,806.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.