Finding the Third Proportional to 149,852.21 and 321,078.94
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Solution
The third proportional to 149,852.21 and 321,078.94 is: 687,955.69
Step by Step Solution
- Step 1: Write the proportion equation
149,852.21 : 321,078.94 = 321,078.94 : x - Step 2: Convert to fraction form
149,852.21/321,078.94 = 321,078.94/x - Step 3: Cross multiply
149,852.21x = 321,078.94 × 321,078.94 - Step 4: Simplify right side
149,852.21x = 103,091,684,106.13 - Step 5: Solve for x
x = 103,091,684,106.13/149,852.21 - Step 6: Final answer
x = 687,955.69
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.