Finding the Third Proportional to 987,128 and 1,492,844
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Solution
The third proportional to 987,128 and 1,492,844 is: 2,257,643.60
Step by Step Solution
- Step 1: Write the proportion equation
987,128 : 1,492,844 = 1,492,844 : x - Step 2: Convert to fraction form
987,128/1,492,844 = 1,492,844/x - Step 3: Cross multiply
987,128x = 1,492,844 × 1,492,844 - Step 4: Simplify right side
987,128x = 2,228,583,208,336 - Step 5: Solve for x
x = 2,228,583,208,336/987,128 - Step 6: Final answer
x = 2,257,643.60
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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.