Finding the Third Proportional to 1,280,382 and 2,801,820
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Solution
The third proportional to 1,280,382 and 2,801,820 is: 6,131,135.33
Step by Step Solution
- Step 1: Write the proportion equation
1,280,382 : 2,801,820 = 2,801,820 : x - Step 2: Convert to fraction form
1,280,382/2,801,820 = 2,801,820/x - Step 3: Cross multiply
1,280,382x = 2,801,820 × 2,801,820 - Step 4: Simplify right side
1,280,382x = 7,850,195,312,400 - Step 5: Solve for x
x = 7,850,195,312,400/1,280,382 - Step 6: Final answer
x = 6,131,135.33
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.