Finding the Third Proportional to 68,237.50 and 121,708.50
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Solution
The third proportional to 68,237.50 and 121,708.50 is: 217,079.45
Step by Step Solution
- Step 1: Write the proportion equation
68,237.50 : 121,708.50 = 121,708.50 : x - Step 2: Convert to fraction form
68,237.50/121,708.50 = 121,708.50/x - Step 3: Cross multiply
68,237.50x = 121,708.50 × 121,708.50 - Step 4: Simplify right side
68,237.50x = 14,812,958,972.25 - Step 5: Solve for x
x = 14,812,958,972.25/68,237.50 - Step 6: Final answer
x = 217,079.45
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These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.