Finding the Third Proportional to 18,726.75 and 39,759.75
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Solution
The third proportional to 18,726.75 and 39,759.75 is: 84,416.02
Step by Step Solution
- Step 1: Write the proportion equation
18,726.75 : 39,759.75 = 39,759.75 : x - Step 2: Convert to fraction form
18,726.75/39,759.75 = 39,759.75/x - Step 3: Cross multiply
18,726.75x = 39,759.75 × 39,759.75 - Step 4: Simplify right side
18,726.75x = 1,580,837,720.06 - Step 5: Solve for x
x = 1,580,837,720.06/18,726.75 - Step 6: Final answer
x = 84,416.02
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.