Finding the Third Proportional to 122,107.50 and 187,799.13
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Solution
The third proportional to 122,107.50 and 187,799.13 is: 288,831.68
Step by Step Solution
- Step 1: Write the proportion equation
122,107.50 : 187,799.13 = 187,799.13 : x - Step 2: Convert to fraction form
122,107.50/187,799.13 = 187,799.13/x - Step 3: Cross multiply
122,107.50x = 187,799.13 × 187,799.13 - Step 4: Simplify right side
122,107.50x = 35,268,514,285.13 - Step 5: Solve for x
x = 35,268,514,285.13/122,107.50 - Step 6: Final answer
x = 288,831.68
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.