Finding the Third Proportional to 13,213.13 and 20,460.09
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Solution
The third proportional to 13,213.13 and 20,460.09 is: 31,681.79
Step by Step Solution
- Step 1: Write the proportion equation
13,213.13 : 20,460.09 = 20,460.09 : x - Step 2: Convert to fraction form
13,213.13/20,460.09 = 20,460.09/x - Step 3: Cross multiply
13,213.13x = 20,460.09 × 20,460.09 - Step 4: Simplify right side
13,213.13x = 418,615,436.26 - Step 5: Solve for x
x = 418,615,436.26/13,213.13 - Step 6: Final answer
x = 31,681.79
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.