Finding the Third Proportional to 71,356.50 and 110,913.75
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Solution
The third proportional to 71,356.50 and 110,913.75 is: 172,399.99
Step by Step Solution
- Step 1: Write the proportion equation
71,356.50 : 110,913.75 = 110,913.75 : x - Step 2: Convert to fraction form
71,356.50/110,913.75 = 110,913.75/x - Step 3: Cross multiply
71,356.50x = 110,913.75 × 110,913.75 - Step 4: Simplify right side
71,356.50x = 12,301,859,939.06 - Step 5: Solve for x
x = 12,301,859,939.06/71,356.50 - Step 6: Final answer
x = 172,399.99
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.