Finding the Third Proportional to 439,479.97 and 660,390.09
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Solution
The third proportional to 439,479.97 and 660,390.09 is: 992,343.47
Step by Step Solution
- Step 1: Write the proportion equation
439,479.97 : 660,390.09 = 660,390.09 : x - Step 2: Convert to fraction form
439,479.97/660,390.09 = 660,390.09/x - Step 3: Cross multiply
439,479.97x = 660,390.09 × 660,390.09 - Step 4: Simplify right side
439,479.97x = 436,115,075,923.13 - Step 5: Solve for x
x = 436,115,075,923.13/439,479.97 - Step 6: Final answer
x = 992,343.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.