Finding the Third Proportional to 33,139.13 and 48,129.19
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Solution
The third proportional to 33,139.13 and 48,129.19 is: 69,899.81
Step by Step Solution
- Step 1: Write the proportion equation
33,139.13 : 48,129.19 = 48,129.19 : x - Step 2: Convert to fraction form
33,139.13/48,129.19 = 48,129.19/x - Step 3: Cross multiply
33,139.13x = 48,129.19 × 48,129.19 - Step 4: Simplify right side
33,139.13x = 2,316,418,689.41 - Step 5: Solve for x
x = 2,316,418,689.41/33,139.13 - Step 6: Final answer
x = 69,899.81
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.