Finding the Third Proportional to 299,430 and 440,394.75
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Solution
The third proportional to 299,430 and 440,394.75 is: 647,722.46
Step by Step Solution
- Step 1: Write the proportion equation
299,430 : 440,394.75 = 440,394.75 : x - Step 2: Convert to fraction form
299,430/440,394.75 = 440,394.75/x - Step 3: Cross multiply
299,430x = 440,394.75 × 440,394.75 - Step 4: Simplify right side
299,430x = 193,947,535,827.56 - Step 5: Solve for x
x = 193,947,535,827.56/299,430 - Step 6: Final answer
x = 647,722.46
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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.