Finding the Third Proportional to 18,106.88 and 39,228.75
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Solution
The third proportional to 18,106.88 and 39,228.75 is: 84,989.53
Step by Step Solution
- Step 1: Write the proportion equation
18,106.88 : 39,228.75 = 39,228.75 : x - Step 2: Convert to fraction form
18,106.88/39,228.75 = 39,228.75/x - Step 3: Cross multiply
18,106.88x = 39,228.75 × 39,228.75 - Step 4: Simplify right side
18,106.88x = 1,538,894,826.56 - Step 5: Solve for x
x = 1,538,894,826.56/18,106.88 - Step 6: Final answer
x = 84,989.53
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.