Finding the Third Proportional to 7,272 and 9,492
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Solution
The third proportional to 7,272 and 9,492 is: 12,389.72
Step by Step Solution
- Step 1: Write the proportion equation
7,272 : 9,492 = 9,492 : x - Step 2: Convert to fraction form
7,272/9,492 = 9,492/x - Step 3: Cross multiply
7,272x = 9,492 × 9,492 - Step 4: Simplify right side
7,272x = 90,098,064 - Step 5: Solve for x
x = 90,098,064/7,272 - Step 6: Final answer
x = 12,389.72
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.