Finding the Third Proportional to 280,710.56 and 431,476.88
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Solution
The third proportional to 280,710.56 and 431,476.88 is: 663,217.99
Step by Step Solution
- Step 1: Write the proportion equation
280,710.56 : 431,476.88 = 431,476.88 : x - Step 2: Convert to fraction form
280,710.56/431,476.88 = 431,476.88/x - Step 3: Cross multiply
280,710.56x = 431,476.88 × 431,476.88 - Step 4: Simplify right side
280,710.56x = 186,172,293,659.77 - Step 5: Solve for x
x = 186,172,293,659.77/280,710.56 - Step 6: Final answer
x = 663,217.99
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.