Finding the Third Proportional to 68,122.13 and 149,685.19
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Solution
The third proportional to 68,122.13 and 149,685.19 is: 328,904.23
Step by Step Solution
- Step 1: Write the proportion equation
68,122.13 : 149,685.19 = 149,685.19 : x - Step 2: Convert to fraction form
68,122.13/149,685.19 = 149,685.19/x - Step 3: Cross multiply
68,122.13x = 149,685.19 × 149,685.19 - Step 4: Simplify right side
68,122.13x = 22,405,655,356.91 - Step 5: Solve for x
x = 22,405,655,356.91/68,122.13 - Step 6: Final answer
x = 328,904.23
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.