Finding the Third Proportional to 7,609 and 15,428
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Solution
The third proportional to 7,609 and 15,428 is: 31,281.80
Step by Step Solution
- Step 1: Write the proportion equation
7,609 : 15,428 = 15,428 : x - Step 2: Convert to fraction form
7,609/15,428 = 15,428/x - Step 3: Cross multiply
7,609x = 15,428 × 15,428 - Step 4: Simplify right side
7,609x = 238,023,184 - Step 5: Solve for x
x = 238,023,184/7,609 - Step 6: Final answer
x = 31,281.80
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.