Finding the Third Proportional to 490,721.63 and 719,882.44
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Solution
The third proportional to 490,721.63 and 719,882.44 is: 1,056,058.46
Step by Step Solution
- Step 1: Write the proportion equation
490,721.63 : 719,882.44 = 719,882.44 : x - Step 2: Convert to fraction form
490,721.63/719,882.44 = 719,882.44/x - Step 3: Cross multiply
490,721.63x = 719,882.44 × 719,882.44 - Step 4: Simplify right side
490,721.63x = 518,230,723,820.94 - Step 5: Solve for x
x = 518,230,723,820.94/490,721.63 - Step 6: Final answer
x = 1,056,058.46
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.