Finding the Third Proportional to 68,007.75 and 102,011.75
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Solution
The third proportional to 68,007.75 and 102,011.75 is: 153,017.81
Step by Step Solution
- Step 1: Write the proportion equation
68,007.75 : 102,011.75 = 102,011.75 : x - Step 2: Convert to fraction form
68,007.75/102,011.75 = 102,011.75/x - Step 3: Cross multiply
68,007.75x = 102,011.75 × 102,011.75 - Step 4: Simplify right side
68,007.75x = 10,406,397,138.06 - Step 5: Solve for x
x = 10,406,397,138.06/68,007.75 - Step 6: Final answer
x = 153,017.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.