Finding the Third Proportional to 90,664 and 140,732
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Solution
The third proportional to 90,664 and 140,732 is: 218,449.39
Step by Step Solution
- Step 1: Write the proportion equation
90,664 : 140,732 = 140,732 : x - Step 2: Convert to fraction form
90,664/140,732 = 140,732/x - Step 3: Cross multiply
90,664x = 140,732 × 140,732 - Step 4: Simplify right side
90,664x = 19,805,495,824 - Step 5: Solve for x
x = 19,805,495,824/90,664 - Step 6: Final answer
x = 218,449.39
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.