Finding the Third Proportional to 7,319,728 and 15,899,518
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Solution
The third proportional to 7,319,728 and 15,899,518 is: 34,536,074.65
Step by Step Solution
- Step 1: Write the proportion equation
7,319,728 : 15,899,518 = 15,899,518 : x - Step 2: Convert to fraction form
7,319,728/15,899,518 = 15,899,518/x - Step 3: Cross multiply
7,319,728x = 15,899,518 × 15,899,518 - Step 4: Simplify right side
7,319,728x = 252,794,672,632,324 - Step 5: Solve for x
x = 252,794,672,632,324/7,319,728 - Step 6: Final answer
x = 34,536,074.65
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.