Finding the Third Proportional to 7,917,840 and 16,955,424
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Solution
The third proportional to 7,917,840 and 16,955,424 is: 36,308,690.63
Step by Step Solution
- Step 1: Write the proportion equation
7,917,840 : 16,955,424 = 16,955,424 : x - Step 2: Convert to fraction form
7,917,840/16,955,424 = 16,955,424/x - Step 3: Cross multiply
7,917,840x = 16,955,424 × 16,955,424 - Step 4: Simplify right side
7,917,840x = 287,486,403,019,776 - Step 5: Solve for x
x = 287,486,403,019,776/7,917,840 - Step 6: Final answer
x = 36,308,690.63
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.