Finding the Third Proportional to 11,671.13 and 15,319.69
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Solution
The third proportional to 11,671.13 and 15,319.69 is: 20,108.84
Step by Step Solution
- Step 1: Write the proportion equation
11,671.13 : 15,319.69 = 15,319.69 : x - Step 2: Convert to fraction form
11,671.13/15,319.69 = 15,319.69/x - Step 3: Cross multiply
11,671.13x = 15,319.69 × 15,319.69 - Step 4: Simplify right side
11,671.13x = 234,692,825.10 - Step 5: Solve for x
x = 234,692,825.10/11,671.13 - Step 6: Final answer
x = 20,108.84
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Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.