Finding the Third Proportional to 1,915.31 and 3,558.09
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Solution
The third proportional to 1,915.31 and 3,558.09 is: 6,609.90
Step by Step Solution
- Step 1: Write the proportion equation
1,915.31 : 3,558.09 = 3,558.09 : x - Step 2: Convert to fraction form
1,915.31/3,558.09 = 3,558.09/x - Step 3: Cross multiply
1,915.31x = 3,558.09 × 3,558.09 - Step 4: Simplify right side
1,915.31x = 12,660,031.13 - Step 5: Solve for x
x = 12,660,031.13/1,915.31 - Step 6: Final answer
x = 6,609.90
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These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.