Finding the Third Proportional to 7,980,367.50 and 12,382,206.75
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Solution
The third proportional to 7,980,367.50 and 12,382,206.75 is: 19,212,028.02
Step by Step Solution
- Step 1: Write the proportion equation
7,980,367.50 : 12,382,206.75 = 12,382,206.75 : x - Step 2: Convert to fraction form
7,980,367.50/12,382,206.75 = 12,382,206.75/x - Step 3: Cross multiply
7,980,367.50x = 12,382,206.75 × 12,382,206.75 - Step 4: Simplify right side
7,980,367.50x = 153,319,043,999,745.56 - Step 5: Solve for x
x = 153,319,043,999,745.56/7,980,367.50 - Step 6: Final answer
x = 19,212,028.02
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.