Finding the Third Proportional to 81,027.56 and 128,201.06
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Solution
The third proportional to 81,027.56 and 128,201.06 is: 202,838.54
Step by Step Solution
- Step 1: Write the proportion equation
81,027.56 : 128,201.06 = 128,201.06 : x - Step 2: Convert to fraction form
81,027.56/128,201.06 = 128,201.06/x - Step 3: Cross multiply
81,027.56x = 128,201.06 × 128,201.06 - Step 4: Simplify right side
81,027.56x = 16,435,512,426.13 - Step 5: Solve for x
x = 16,435,512,426.13/81,027.56 - Step 6: Final answer
x = 202,838.54
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.