Finding the Third Proportional to 18,214.88 and 39,209.06
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Solution
The third proportional to 18,214.88 and 39,209.06 is: 84,400.83
Step by Step Solution
- Step 1: Write the proportion equation
18,214.88 : 39,209.06 = 39,209.06 : x - Step 2: Convert to fraction form
18,214.88/39,209.06 = 39,209.06/x - Step 3: Cross multiply
18,214.88x = 39,209.06 × 39,209.06 - Step 4: Simplify right side
18,214.88x = 1,537,350,582.13 - Step 5: Solve for x
x = 1,537,350,582.13/18,214.88 - Step 6: Final answer
x = 84,400.83
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.