Finding the Third Proportional to 1,540 and 3,618
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Solution
The third proportional to 1,540 and 3,618 is: 8,499.95
Step by Step Solution
- Step 1: Write the proportion equation
1,540 : 3,618 = 3,618 : x - Step 2: Convert to fraction form
1,540/3,618 = 3,618/x - Step 3: Cross multiply
1,540x = 3,618 × 3,618 - Step 4: Simplify right side
1,540x = 13,089,924 - Step 5: Solve for x
x = 13,089,924/1,540 - Step 6: Final answer
x = 8,499.95
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Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.