Finding the Third Proportional to 387,782.44 and 579,349.97
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Solution
The third proportional to 387,782.44 and 579,349.97 is: 865,553.35
Step by Step Solution
- Step 1: Write the proportion equation
387,782.44 : 579,349.97 = 579,349.97 : x - Step 2: Convert to fraction form
387,782.44/579,349.97 = 579,349.97/x - Step 3: Cross multiply
387,782.44x = 579,349.97 × 579,349.97 - Step 4: Simplify right side
387,782.44x = 335,646,386,290.63 - Step 5: Solve for x
x = 335,646,386,290.63/387,782.44 - Step 6: Final answer
x = 865,553.35
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.