Finding the Third Proportional to 515,528 and 1,131,920
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Solution
The third proportional to 515,528 and 1,131,920 is: 2,485,302.23
Step by Step Solution
- Step 1: Write the proportion equation
515,528 : 1,131,920 = 1,131,920 : x - Step 2: Convert to fraction form
515,528/1,131,920 = 1,131,920/x - Step 3: Cross multiply
515,528x = 1,131,920 × 1,131,920 - Step 4: Simplify right side
515,528x = 1,281,242,886,400 - Step 5: Solve for x
x = 1,281,242,886,400/515,528 - Step 6: Final answer
x = 2,485,302.23
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.