Finding the Third Proportional to 122,170.50 and 178,888.50
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Solution
The third proportional to 122,170.50 and 178,888.50 is: 261,937.99
Step by Step Solution
- Step 1: Write the proportion equation
122,170.50 : 178,888.50 = 178,888.50 : x - Step 2: Convert to fraction form
122,170.50/178,888.50 = 178,888.50/x - Step 3: Cross multiply
122,170.50x = 178,888.50 × 178,888.50 - Step 4: Simplify right side
122,170.50x = 32,001,095,432.25 - Step 5: Solve for x
x = 32,001,095,432.25/122,170.50 - Step 6: Final answer
x = 261,937.99
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.