Finding the Third Proportional to 85,508.16 and 197,931.09
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Solution
The third proportional to 85,508.16 and 197,931.09 is: 458,163.52
Step by Step Solution
- Step 1: Write the proportion equation
85,508.16 : 197,931.09 = 197,931.09 : x - Step 2: Convert to fraction form
85,508.16/197,931.09 = 197,931.09/x - Step 3: Cross multiply
85,508.16x = 197,931.09 × 197,931.09 - Step 4: Simplify right side
85,508.16x = 39,176,717,873.07 - Step 5: Solve for x
x = 39,176,717,873.07/85,508.16 - Step 6: Final answer
x = 458,163.52
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.