Finding the Third Proportional to 128,202.75 and 233,259.75
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Solution
The third proportional to 128,202.75 and 233,259.75 is: 424,406.74
Step by Step Solution
- Step 1: Write the proportion equation
128,202.75 : 233,259.75 = 233,259.75 : x - Step 2: Convert to fraction form
128,202.75/233,259.75 = 233,259.75/x - Step 3: Cross multiply
128,202.75x = 233,259.75 × 233,259.75 - Step 4: Simplify right side
128,202.75x = 54,410,110,970.06 - Step 5: Solve for x
x = 54,410,110,970.06/128,202.75 - Step 6: Final answer
x = 424,406.74
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Why These Related Problems?
These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.