Finding the Third Proportional to 3,260 and 4,389
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Solution
The third proportional to 3,260 and 4,389 is: 5,908.99
Step by Step Solution
- Step 1: Write the proportion equation
3,260 : 4,389 = 4,389 : x - Step 2: Convert to fraction form
3,260/4,389 = 4,389/x - Step 3: Cross multiply
3,260x = 4,389 × 4,389 - Step 4: Simplify right side
3,260x = 19,263,321 - Step 5: Solve for x
x = 19,263,321/3,260 - Step 6: Final answer
x = 5,908.99
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.