Finding the Third Proportional to 1,137.75 and 2,421.75
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Solution
The third proportional to 1,137.75 and 2,421.75 is: 5,154.80
Step by Step Solution
- Step 1: Write the proportion equation
1,137.75 : 2,421.75 = 2,421.75 : x - Step 2: Convert to fraction form
1,137.75/2,421.75 = 2,421.75/x - Step 3: Cross multiply
1,137.75x = 2,421.75 × 2,421.75 - Step 4: Simplify right side
1,137.75x = 5,864,873.06 - Step 5: Solve for x
x = 5,864,873.06/1,137.75 - Step 6: Final answer
x = 5,154.80
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.