Finding the Third Proportional to 86,920 and 130,380
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Solution
The third proportional to 86,920 and 130,380 is: 195,570
Step by Step Solution
- Step 1: Write the proportion equation
86,920 : 130,380 = 130,380 : x - Step 2: Convert to fraction form
86,920/130,380 = 130,380/x - Step 3: Cross multiply
86,920x = 130,380 × 130,380 - Step 4: Simplify right side
86,920x = 16,998,944,400 - Step 5: Solve for x
x = 16,998,944,400/86,920 - Step 6: Final answer
x = 195,570
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.