Finding the Third Proportional to 85,785.75 and 129,309.75
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Solution
The third proportional to 85,785.75 and 129,309.75 is: 194,915.96
Step by Step Solution
- Step 1: Write the proportion equation
85,785.75 : 129,309.75 = 129,309.75 : x - Step 2: Convert to fraction form
85,785.75/129,309.75 = 129,309.75/x - Step 3: Cross multiply
85,785.75x = 129,309.75 × 129,309.75 - Step 4: Simplify right side
85,785.75x = 16,721,011,445.06 - Step 5: Solve for x
x = 16,721,011,445.06/85,785.75 - Step 6: Final answer
x = 194,915.96
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.