Finding the Third Proportional to 323,138 and 493,455
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Solution
The third proportional to 323,138 and 493,455 is: 753,541.33
Step by Step Solution
- Step 1: Write the proportion equation
323,138 : 493,455 = 493,455 : x - Step 2: Convert to fraction form
323,138/493,455 = 493,455/x - Step 3: Cross multiply
323,138x = 493,455 × 493,455 - Step 4: Simplify right side
323,138x = 243,497,837,025 - Step 5: Solve for x
x = 243,497,837,025/323,138 - Step 6: Final answer
x = 753,541.33
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.