Finding the Third Proportional to 441,924 and 691,310
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Solution
The third proportional to 441,924 and 691,310 is: 1,081,429.20
Step by Step Solution
- Step 1: Write the proportion equation
441,924 : 691,310 = 691,310 : x - Step 2: Convert to fraction form
441,924/691,310 = 691,310/x - Step 3: Cross multiply
441,924x = 691,310 × 691,310 - Step 4: Simplify right side
441,924x = 477,909,516,100 - Step 5: Solve for x
x = 477,909,516,100/441,924 - Step 6: Final answer
x = 1,081,429.20
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.