Finding the Third Proportional to 8,731.13 and 13,116.09
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Solution
The third proportional to 8,731.13 and 13,116.09 is: 19,703.29
Step by Step Solution
- Step 1: Write the proportion equation
8,731.13 : 13,116.09 = 13,116.09 : x - Step 2: Convert to fraction form
8,731.13/13,116.09 = 13,116.09/x - Step 3: Cross multiply
8,731.13x = 13,116.09 × 13,116.09 - Step 4: Simplify right side
8,731.13x = 172,031,915.26 - Step 5: Solve for x
x = 172,031,915.26/8,731.13 - Step 6: Final answer
x = 19,703.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.