Finding the Third Proportional to 19,800 and 43,380
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Solution
The third proportional to 19,800 and 43,380 is: 95,041.64
Step by Step Solution
- Step 1: Write the proportion equation
19,800 : 43,380 = 43,380 : x - Step 2: Convert to fraction form
19,800/43,380 = 43,380/x - Step 3: Cross multiply
19,800x = 43,380 × 43,380 - Step 4: Simplify right side
19,800x = 1,881,824,400 - Step 5: Solve for x
x = 1,881,824,400/19,800 - Step 6: Final answer
x = 95,041.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.