Finding the Third Proportional to 1,311.19 and 2,837.53
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Solution
The third proportional to 1,311.19 and 2,837.53 is: 6,140.68
Step by Step Solution
- Step 1: Write the proportion equation
1,311.19 : 2,837.53 = 2,837.53 : x - Step 2: Convert to fraction form
1,311.19/2,837.53 = 2,837.53/x - Step 3: Cross multiply
1,311.19x = 2,837.53 × 2,837.53 - Step 4: Simplify right side
1,311.19x = 8,051,583.59 - Step 5: Solve for x
x = 8,051,583.59/1,311.19 - Step 6: Final answer
x = 6,140.68
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.