Finding the Third Proportional to 77,775.19 and 125,615.81
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Solution
The third proportional to 77,775.19 and 125,615.81 is: 202,883.89
Step by Step Solution
- Step 1: Write the proportion equation
77,775.19 : 125,615.81 = 125,615.81 : x - Step 2: Convert to fraction form
77,775.19/125,615.81 = 125,615.81/x - Step 3: Cross multiply
77,775.19x = 125,615.81 × 125,615.81 - Step 4: Simplify right side
77,775.19x = 15,779,332,350.04 - Step 5: Solve for x
x = 15,779,332,350.04/77,775.19 - Step 6: Final answer
x = 202,883.89
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Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.