Finding the Third Proportional to 87,426.75 and 128,259.75
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Solution
The third proportional to 87,426.75 and 128,259.75 is: 188,163.96
Step by Step Solution
- Step 1: Write the proportion equation
87,426.75 : 128,259.75 = 128,259.75 : x - Step 2: Convert to fraction form
87,426.75/128,259.75 = 128,259.75/x - Step 3: Cross multiply
87,426.75x = 128,259.75 × 128,259.75 - Step 4: Simplify right side
87,426.75x = 16,450,563,470.06 - Step 5: Solve for x
x = 16,450,563,470.06/87,426.75 - Step 6: Final answer
x = 188,163.96
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.