Finding the Third Proportional to 515,540 and 1,131,944
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Solution
The third proportional to 515,540 and 1,131,944 is: 2,485,349.77
Step by Step Solution
- Step 1: Write the proportion equation
515,540 : 1,131,944 = 1,131,944 : x - Step 2: Convert to fraction form
515,540/1,131,944 = 1,131,944/x - Step 3: Cross multiply
515,540x = 1,131,944 × 1,131,944 - Step 4: Simplify right side
515,540x = 1,281,297,219,136 - Step 5: Solve for x
x = 1,281,297,219,136/515,540 - Step 6: Final answer
x = 2,485,349.77
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.