Finding the Third Proportional to 7,486,749 and 15,328,155
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Solution
The third proportional to 7,486,749 and 15,328,155 is: 31,382,424.56
Step by Step Solution
- Step 1: Write the proportion equation
7,486,749 : 15,328,155 = 15,328,155 : x - Step 2: Convert to fraction form
7,486,749/15,328,155 = 15,328,155/x - Step 3: Cross multiply
7,486,749x = 15,328,155 × 15,328,155 - Step 4: Simplify right side
7,486,749x = 234,952,335,704,025 - Step 5: Solve for x
x = 234,952,335,704,025/7,486,749 - Step 6: Final answer
x = 31,382,424.56
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.