Finding the Third Proportional to 90,979 and 197,498
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Solution
The third proportional to 90,979 and 197,498 is: 428,730.37
Step by Step Solution
- Step 1: Write the proportion equation
90,979 : 197,498 = 197,498 : x - Step 2: Convert to fraction form
90,979/197,498 = 197,498/x - Step 3: Cross multiply
90,979x = 197,498 × 197,498 - Step 4: Simplify right side
90,979x = 39,005,460,004 - Step 5: Solve for x
x = 39,005,460,004/90,979 - Step 6: Final answer
x = 428,730.37
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.