Finding the Third Proportional to 68,778.75 and 102,519.75
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Solution
The third proportional to 68,778.75 and 102,519.75 is: 152,813.17
Step by Step Solution
- Step 1: Write the proportion equation
68,778.75 : 102,519.75 = 102,519.75 : x - Step 2: Convert to fraction form
68,778.75/102,519.75 = 102,519.75/x - Step 3: Cross multiply
68,778.75x = 102,519.75 × 102,519.75 - Step 4: Simplify right side
68,778.75x = 10,510,299,140.06 - Step 5: Solve for x
x = 10,510,299,140.06/68,778.75 - Step 6: Final answer
x = 152,813.17
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.