Finding the Third Proportional to 19,840.50 and 30,969
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Solution
The third proportional to 19,840.50 and 30,969 is: 48,339.46
Step by Step Solution
- Step 1: Write the proportion equation
19,840.50 : 30,969 = 30,969 : x - Step 2: Convert to fraction form
19,840.50/30,969 = 30,969/x - Step 3: Cross multiply
19,840.50x = 30,969 × 30,969 - Step 4: Simplify right side
19,840.50x = 959,078,961 - Step 5: Solve for x
x = 959,078,961/19,840.50 - Step 6: Final answer
x = 48,339.46
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.