Finding the Third Proportional to 57,390.19 and 121,727.81
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Solution
The third proportional to 57,390.19 and 121,727.81 is: 258,191.53
Step by Step Solution
- Step 1: Write the proportion equation
57,390.19 : 121,727.81 = 121,727.81 : x - Step 2: Convert to fraction form
57,390.19/121,727.81 = 121,727.81/x - Step 3: Cross multiply
57,390.19x = 121,727.81 × 121,727.81 - Step 4: Simplify right side
57,390.19x = 14,817,660,336.04 - Step 5: Solve for x
x = 14,817,660,336.04/57,390.19 - Step 6: Final answer
x = 258,191.53
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.