Finding the Third Proportional to 981,984 and 2,151,408
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Solution
The third proportional to 981,984 and 2,151,408 is: 4,713,474.34
Step by Step Solution
- Step 1: Write the proportion equation
981,984 : 2,151,408 = 2,151,408 : x - Step 2: Convert to fraction form
981,984/2,151,408 = 2,151,408/x - Step 3: Cross multiply
981,984x = 2,151,408 × 2,151,408 - Step 4: Simplify right side
981,984x = 4,628,556,382,464 - Step 5: Solve for x
x = 4,628,556,382,464/981,984 - Step 6: Final answer
x = 4,713,474.34
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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.