Finding the Third Proportional to 217,890 and 474,984
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Solution
The third proportional to 217,890 and 474,984 is: 1,035,429.81
Step by Step Solution
- Step 1: Write the proportion equation
217,890 : 474,984 = 474,984 : x - Step 2: Convert to fraction form
217,890/474,984 = 474,984/x - Step 3: Cross multiply
217,890x = 474,984 × 474,984 - Step 4: Simplify right side
217,890x = 225,609,800,256 - Step 5: Solve for x
x = 225,609,800,256/217,890 - Step 6: Final answer
x = 1,035,429.81
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.