Finding the Third Proportional to 388,291.50 and 906,891.75
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Solution
The third proportional to 388,291.50 and 906,891.75 is: 2,118,131.99
Step by Step Solution
- Step 1: Write the proportion equation
388,291.50 : 906,891.75 = 906,891.75 : x - Step 2: Convert to fraction form
388,291.50/906,891.75 = 906,891.75/x - Step 3: Cross multiply
388,291.50x = 906,891.75 × 906,891.75 - Step 4: Simplify right side
388,291.50x = 822,452,646,218.06 - Step 5: Solve for x
x = 822,452,646,218.06/388,291.50 - Step 6: Final answer
x = 2,118,131.99
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These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.