Finding the Third Proportional to 7,739.50 and 16,710.50
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Solution
The third proportional to 7,739.50 and 16,710.50 is: 36,079.95
Step by Step Solution
- Step 1: Write the proportion equation
7,739.50 : 16,710.50 = 16,710.50 : x - Step 2: Convert to fraction form
7,739.50/16,710.50 = 16,710.50/x - Step 3: Cross multiply
7,739.50x = 16,710.50 × 16,710.50 - Step 4: Simplify right side
7,739.50x = 279,240,810.25 - Step 5: Solve for x
x = 279,240,810.25/7,739.50 - Step 6: Final answer
x = 36,079.95
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.