Finding the Third Proportional to 147,491 and 321,772
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Solution
The third proportional to 147,491 and 321,772 is: 701,990.09
Step by Step Solution
- Step 1: Write the proportion equation
147,491 : 321,772 = 321,772 : x - Step 2: Convert to fraction form
147,491/321,772 = 321,772/x - Step 3: Cross multiply
147,491x = 321,772 × 321,772 - Step 4: Simplify right side
147,491x = 103,537,219,984 - Step 5: Solve for x
x = 103,537,219,984/147,491 - Step 6: Final answer
x = 701,990.09
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.