Finding the Third Proportional to 128,372.63 and 201,371.63
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Solution
The third proportional to 128,372.63 and 201,371.63 is: 315,881.45
Step by Step Solution
- Step 1: Write the proportion equation
128,372.63 : 201,371.63 = 201,371.63 : x - Step 2: Convert to fraction form
128,372.63/201,371.63 = 201,371.63/x - Step 3: Cross multiply
128,372.63x = 201,371.63 × 201,371.63 - Step 4: Simplify right side
128,372.63x = 40,550,531,355.14 - Step 5: Solve for x
x = 40,550,531,355.14/128,372.63 - Step 6: Final answer
x = 315,881.45
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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.