Finding the Third Proportional to 31,506.75 and 68,217.75
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Solution
The third proportional to 31,506.75 and 68,217.75 is: 147,703.63
Step by Step Solution
- Step 1: Write the proportion equation
31,506.75 : 68,217.75 = 68,217.75 : x - Step 2: Convert to fraction form
31,506.75/68,217.75 = 68,217.75/x - Step 3: Cross multiply
31,506.75x = 68,217.75 × 68,217.75 - Step 4: Simplify right side
31,506.75x = 4,653,661,415.06 - Step 5: Solve for x
x = 4,653,661,415.06/31,506.75 - Step 6: Final answer
x = 147,703.63
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.