Finding the Third Proportional to 985,246 and 2,117,834
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Solution
The third proportional to 985,246 and 2,117,834 is: 4,552,386.77
Step by Step Solution
- Step 1: Write the proportion equation
985,246 : 2,117,834 = 2,117,834 : x - Step 2: Convert to fraction form
985,246/2,117,834 = 2,117,834/x - Step 3: Cross multiply
985,246x = 2,117,834 × 2,117,834 - Step 4: Simplify right side
985,246x = 4,485,220,851,556 - Step 5: Solve for x
x = 4,485,220,851,556/985,246 - Step 6: Final answer
x = 4,552,386.77
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.