Finding the Third Proportional to 72,137.25 and 157,551.75
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Solution
The third proportional to 72,137.25 and 157,551.75 is: 344,101.75
Step by Step Solution
- Step 1: Write the proportion equation
72,137.25 : 157,551.75 = 157,551.75 : x - Step 2: Convert to fraction form
72,137.25/157,551.75 = 157,551.75/x - Step 3: Cross multiply
72,137.25x = 157,551.75 × 157,551.75 - Step 4: Simplify right side
72,137.25x = 24,822,553,928.06 - Step 5: Solve for x
x = 24,822,553,928.06/72,137.25 - Step 6: Final answer
x = 344,101.75
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.