Finding the Third Proportional to 640,830 and 966,168
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Solution
The third proportional to 640,830 and 966,168 is: 1,456,674.32
Step by Step Solution
- Step 1: Write the proportion equation
640,830 : 966,168 = 966,168 : x - Step 2: Convert to fraction form
640,830/966,168 = 966,168/x - Step 3: Cross multiply
640,830x = 966,168 × 966,168 - Step 4: Simplify right side
640,830x = 933,480,604,224 - Step 5: Solve for x
x = 933,480,604,224/640,830 - Step 6: Final answer
x = 1,456,674.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.