Finding the Third Proportional to 42,807.75 and 68,175.75
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Solution
The third proportional to 42,807.75 and 68,175.75 is: 108,576.90
Step by Step Solution
- Step 1: Write the proportion equation
42,807.75 : 68,175.75 = 68,175.75 : x - Step 2: Convert to fraction form
42,807.75/68,175.75 = 68,175.75/x - Step 3: Cross multiply
42,807.75x = 68,175.75 × 68,175.75 - Step 4: Simplify right side
42,807.75x = 4,647,932,888.06 - Step 5: Solve for x
x = 4,647,932,888.06/42,807.75 - Step 6: Final answer
x = 108,576.90
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.