Finding the Third Proportional to 67,078 and 138,476
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Solution
The third proportional to 67,078 and 138,476 is: 285,870.22
Step by Step Solution
- Step 1: Write the proportion equation
67,078 : 138,476 = 138,476 : x - Step 2: Convert to fraction form
67,078/138,476 = 138,476/x - Step 3: Cross multiply
67,078x = 138,476 × 138,476 - Step 4: Simplify right side
67,078x = 19,175,602,576 - Step 5: Solve for x
x = 19,175,602,576/67,078 - Step 6: Final answer
x = 285,870.22
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These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.