Finding the Third Proportional to 18,564.19 and 40,515.19
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Solution
The third proportional to 18,564.19 and 40,515.19 is: 88,421.88
Step by Step Solution
- Step 1: Write the proportion equation
18,564.19 : 40,515.19 = 40,515.19 : x - Step 2: Convert to fraction form
18,564.19/40,515.19 = 40,515.19/x - Step 3: Cross multiply
18,564.19x = 40,515.19 × 40,515.19 - Step 4: Simplify right side
18,564.19x = 1,641,480,418.16 - Step 5: Solve for x
x = 1,641,480,418.16/18,564.19 - Step 6: Final answer
x = 88,421.88
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.