Finding the Third Proportional to 20,508 and 28,254
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Solution
The third proportional to 20,508 and 28,254 is: 38,925.71
Step by Step Solution
- Step 1: Write the proportion equation
20,508 : 28,254 = 28,254 : x - Step 2: Convert to fraction form
20,508/28,254 = 28,254/x - Step 3: Cross multiply
20,508x = 28,254 × 28,254 - Step 4: Simplify right side
20,508x = 798,288,516 - Step 5: Solve for x
x = 798,288,516/20,508 - Step 6: Final answer
x = 38,925.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.