Finding the Third Proportional to 7,543.13 and 19,860.19
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Solution
The third proportional to 7,543.13 and 19,860.19 is: 52,289.61
Step by Step Solution
- Step 1: Write the proportion equation
7,543.13 : 19,860.19 = 19,860.19 : x - Step 2: Convert to fraction form
7,543.13/19,860.19 = 19,860.19/x - Step 3: Cross multiply
7,543.13x = 19,860.19 × 19,860.19 - Step 4: Simplify right side
7,543.13x = 394,427,047.54 - Step 5: Solve for x
x = 394,427,047.54/7,543.13 - Step 6: Final answer
x = 52,289.61
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Why These Related Problems?
These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.