Finding the Third Proportional to 629.25 and 1,128
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Solution
The third proportional to 629.25 and 1,128 is: 2,022.06
Step by Step Solution
- Step 1: Write the proportion equation
629.25 : 1,128 = 1,128 : x - Step 2: Convert to fraction form
629.25/1,128 = 1,128/x - Step 3: Cross multiply
629.25x = 1,128 × 1,128 - Step 4: Simplify right side
629.25x = 1,272,384 - Step 5: Solve for x
x = 1,272,384/629.25 - Step 6: Final answer
x = 2,022.06
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These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.