Finding the Third Proportional to 640,831.50 and 1,512,742.50
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Solution
The third proportional to 640,831.50 and 1,512,742.50 is: 3,570,969.70
Step by Step Solution
- Step 1: Write the proportion equation
640,831.50 : 1,512,742.50 = 1,512,742.50 : x - Step 2: Convert to fraction form
640,831.50/1,512,742.50 = 1,512,742.50/x - Step 3: Cross multiply
640,831.50x = 1,512,742.50 × 1,512,742.50 - Step 4: Simplify right side
640,831.50x = 2,288,389,871,306.25 - Step 5: Solve for x
x = 2,288,389,871,306.25/640,831.50 - Step 6: Final answer
x = 3,570,969.70
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.