Finding the Third Proportional to 422,178 and 861,576
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Solution
The third proportional to 422,178 and 861,576 is: 1,758,294.38
Step by Step Solution
- Step 1: Write the proportion equation
422,178 : 861,576 = 861,576 : x - Step 2: Convert to fraction form
422,178/861,576 = 861,576/x - Step 3: Cross multiply
422,178x = 861,576 × 861,576 - Step 4: Simplify right side
422,178x = 742,313,203,776 - Step 5: Solve for x
x = 742,313,203,776/422,178 - Step 6: Final answer
x = 1,758,294.38
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.