Finding the Third Proportional to 1,806.05 and 2,990.67
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Solution
The third proportional to 1,806.05 and 2,990.67 is: 4,952.32
Step by Step Solution
- Step 1: Write the proportion equation
1,806.05 : 2,990.67 = 2,990.67 : x - Step 2: Convert to fraction form
1,806.05/2,990.67 = 2,990.67/x - Step 3: Cross multiply
1,806.05x = 2,990.67 × 2,990.67 - Step 4: Simplify right side
1,806.05x = 8,944,118.26 - Step 5: Solve for x
x = 8,944,118.26/1,806.05 - Step 6: Final answer
x = 4,952.32
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These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.