Finding the Third Proportional to 81,228.38 and 125,530.31
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Solution
The third proportional to 81,228.38 and 125,530.31 is: 193,994.52
Step by Step Solution
- Step 1: Write the proportion equation
81,228.38 : 125,530.31 = 125,530.31 : x - Step 2: Convert to fraction form
81,228.38/125,530.31 = 125,530.31/x - Step 3: Cross multiply
81,228.38x = 125,530.31 × 125,530.31 - Step 4: Simplify right side
81,228.38x = 15,757,859,356.35 - Step 5: Solve for x
x = 15,757,859,356.35/81,228.38 - Step 6: Final answer
x = 193,994.52
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.