Finding the Third Proportional to 1,216.13 and 1,878.19
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Solution
The third proportional to 1,216.13 and 1,878.19 is: 2,900.68
Step by Step Solution
- Step 1: Write the proportion equation
1,216.13 : 1,878.19 = 1,878.19 : x - Step 2: Convert to fraction form
1,216.13/1,878.19 = 1,878.19/x - Step 3: Cross multiply
1,216.13x = 1,878.19 × 1,878.19 - Step 4: Simplify right side
1,216.13x = 3,527,588.29 - Step 5: Solve for x
x = 3,527,588.29/1,216.13 - Step 6: Final answer
x = 2,900.68
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.