Finding the Third Proportional to 20,730.75 and 28,149.75
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Solution
The third proportional to 20,730.75 and 28,149.75 is: 38,223.82
Step by Step Solution
- Step 1: Write the proportion equation
20,730.75 : 28,149.75 = 28,149.75 : x - Step 2: Convert to fraction form
20,730.75/28,149.75 = 28,149.75/x - Step 3: Cross multiply
20,730.75x = 28,149.75 × 28,149.75 - Step 4: Simplify right side
20,730.75x = 792,408,425.06 - Step 5: Solve for x
x = 792,408,425.06/20,730.75 - Step 6: Final answer
x = 38,223.82
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.