Finding the Third Proportional to 199,642 and 432,859
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Solution
The third proportional to 199,642 and 432,859 is: 938,514.51
Step by Step Solution
- Step 1: Write the proportion equation
199,642 : 432,859 = 432,859 : x - Step 2: Convert to fraction form
199,642/432,859 = 432,859/x - Step 3: Cross multiply
199,642x = 432,859 × 432,859 - Step 4: Simplify right side
199,642x = 187,366,913,881 - Step 5: Solve for x
x = 187,366,913,881/199,642 - Step 6: Final answer
x = 938,514.51
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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.