Finding the Third Proportional to 8,642,376 and 18,879,328
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Solution
The third proportional to 8,642,376 and 18,879,328 is: 41,242,017.90
Step by Step Solution
- Step 1: Write the proportion equation
8,642,376 : 18,879,328 = 18,879,328 : x - Step 2: Convert to fraction form
8,642,376/18,879,328 = 18,879,328/x - Step 3: Cross multiply
8,642,376x = 18,879,328 × 18,879,328 - Step 4: Simplify right side
8,642,376x = 356,429,025,731,584 - Step 5: Solve for x
x = 356,429,025,731,584/8,642,376 - Step 6: Final answer
x = 41,242,017.90
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.