Finding the Third Proportional to 198,644 and 432,312
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Solution
The third proportional to 198,644 and 432,312 is: 940,847.27
Step by Step Solution
- Step 1: Write the proportion equation
198,644 : 432,312 = 432,312 : x - Step 2: Convert to fraction form
198,644/432,312 = 432,312/x - Step 3: Cross multiply
198,644x = 432,312 × 432,312 - Step 4: Simplify right side
198,644x = 186,893,665,344 - Step 5: Solve for x
x = 186,893,665,344/198,644 - Step 6: Final answer
x = 940,847.27
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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.