Finding the Third Proportional to 15,805.13 and 33,432.75
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Solution
The third proportional to 15,805.13 and 33,432.75 is: 70,720.65
Step by Step Solution
- Step 1: Write the proportion equation
15,805.13 : 33,432.75 = 33,432.75 : x - Step 2: Convert to fraction form
15,805.13/33,432.75 = 33,432.75/x - Step 3: Cross multiply
15,805.13x = 33,432.75 × 33,432.75 - Step 4: Simplify right side
15,805.13x = 1,117,748,772.56 - Step 5: Solve for x
x = 1,117,748,772.56/15,805.13 - Step 6: Final answer
x = 70,720.65
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.