Finding the Third Proportional to 431,236,717.13 and 938,030,568.09
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Solution
The third proportional to 431,236,717.13 and 938,030,568.09 is: 2,040,413,795.34
Step by Step Solution
- Step 1: Write the proportion equation
431,236,717.13 : 938,030,568.09 = 938,030,568.09 : x - Step 2: Convert to fraction form
431,236,717.13/938,030,568.09 = 938,030,568.09/x - Step 3: Cross multiply
431,236,717.13x = 938,030,568.09 × 938,030,568.09 - Step 4: Simplify right side
431,236,717.13x = 879,901,346,678,283,392 - Step 5: Solve for x
x = 879,901,346,678,283,392/431,236,717.13 - Step 6: Final answer
x = 2,040,413,795.34
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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.