Finding the Third Proportional to 157,542.75 and 242,154.75
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Solution
The third proportional to 157,542.75 and 242,154.75 is: 372,209.59
Step by Step Solution
- Step 1: Write the proportion equation
157,542.75 : 242,154.75 = 242,154.75 : x - Step 2: Convert to fraction form
157,542.75/242,154.75 = 242,154.75/x - Step 3: Cross multiply
157,542.75x = 242,154.75 × 242,154.75 - Step 4: Simplify right side
157,542.75x = 58,638,922,947.56 - Step 5: Solve for x
x = 58,638,922,947.56/157,542.75 - Step 6: Final answer
x = 372,209.59
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.