Finding the Third Proportional to 18,135.75 and 28,851.75
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Solution
The third proportional to 18,135.75 and 28,851.75 is: 45,899.59
Step by Step Solution
- Step 1: Write the proportion equation
18,135.75 : 28,851.75 = 28,851.75 : x - Step 2: Convert to fraction form
18,135.75/28,851.75 = 28,851.75/x - Step 3: Cross multiply
18,135.75x = 28,851.75 × 28,851.75 - Step 4: Simplify right side
18,135.75x = 832,423,478.06 - Step 5: Solve for x
x = 832,423,478.06/18,135.75 - Step 6: Final answer
x = 45,899.59
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.