Finding the Third Proportional to 31,221 and 46,831.50
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Solution
The third proportional to 31,221 and 46,831.50 is: 70,247.25
Step by Step Solution
- Step 1: Write the proportion equation
31,221 : 46,831.50 = 46,831.50 : x - Step 2: Convert to fraction form
31,221/46,831.50 = 46,831.50/x - Step 3: Cross multiply
31,221x = 46,831.50 × 46,831.50 - Step 4: Simplify right side
31,221x = 2,193,189,392.25 - Step 5: Solve for x
x = 2,193,189,392.25/31,221 - Step 6: Final answer
x = 70,247.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.