Finding the Third Proportional to 86,457.38 and 135,330.75
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Solution
The third proportional to 86,457.38 and 135,330.75 is: 211,831.69
Step by Step Solution
- Step 1: Write the proportion equation
86,457.38 : 135,330.75 = 135,330.75 : x - Step 2: Convert to fraction form
86,457.38/135,330.75 = 135,330.75/x - Step 3: Cross multiply
86,457.38x = 135,330.75 × 135,330.75 - Step 4: Simplify right side
86,457.38x = 18,314,411,895.56 - Step 5: Solve for x
x = 18,314,411,895.56/86,457.38 - Step 6: Final answer
x = 211,831.69
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.