Finding the Third Proportional to 75,115.75 and 152,305.75
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Solution
The third proportional to 75,115.75 and 152,305.75 is: 308,817.28
Step by Step Solution
- Step 1: Write the proportion equation
75,115.75 : 152,305.75 = 152,305.75 : x - Step 2: Convert to fraction form
75,115.75/152,305.75 = 152,305.75/x - Step 3: Cross multiply
75,115.75x = 152,305.75 × 152,305.75 - Step 4: Simplify right side
75,115.75x = 23,197,041,483.06 - Step 5: Solve for x
x = 23,197,041,483.06/75,115.75 - Step 6: Final answer
x = 308,817.28
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.