Finding the Third Proportional to 909 and 1,045
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Solution
The third proportional to 909 and 1,045 is: 1,201.35
Step by Step Solution
- Step 1: Write the proportion equation
909 : 1,045 = 1,045 : x - Step 2: Convert to fraction form
909/1,045 = 1,045/x - Step 3: Cross multiply
909x = 1,045 × 1,045 - Step 4: Simplify right side
909x = 1,092,025 - Step 5: Solve for x
x = 1,092,025/909 - Step 6: Final answer
x = 1,201.35
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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.