Finding the Third Proportional to 7,720 and 15,056
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Solution
The third proportional to 7,720 and 15,056 is: 29,363.10
Step by Step Solution
- Step 1: Write the proportion equation
7,720 : 15,056 = 15,056 : x - Step 2: Convert to fraction form
7,720/15,056 = 15,056/x - Step 3: Cross multiply
7,720x = 15,056 × 15,056 - Step 4: Simplify right side
7,720x = 226,683,136 - Step 5: Solve for x
x = 226,683,136/7,720 - Step 6: Final answer
x = 29,363.10
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.