Finding the Third Proportional to 1,135.13 and 1,478.81
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Solution
The third proportional to 1,135.13 and 1,478.81 is: 1,926.56
Step by Step Solution
- Step 1: Write the proportion equation
1,135.13 : 1,478.81 = 1,478.81 : x - Step 2: Convert to fraction form
1,135.13/1,478.81 = 1,478.81/x - Step 3: Cross multiply
1,135.13x = 1,478.81 × 1,478.81 - Step 4: Simplify right side
1,135.13x = 2,186,886.41 - Step 5: Solve for x
x = 2,186,886.41/1,135.13 - Step 6: Final answer
x = 1,926.56
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These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.