Finding the Third Proportional to 3,031.17 and 4,747.99
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Solution
The third proportional to 3,031.17 and 4,747.99 is: 7,437.20
Step by Step Solution
- Step 1: Write the proportion equation
3,031.17 : 4,747.99 = 4,747.99 : x - Step 2: Convert to fraction form
3,031.17/4,747.99 = 4,747.99/x - Step 3: Cross multiply
3,031.17x = 4,747.99 × 4,747.99 - Step 4: Simplify right side
3,031.17x = 22,543,429.81 - Step 5: Solve for x
x = 22,543,429.81/3,031.17 - Step 6: Final answer
x = 7,437.20
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.