Finding the Third Proportional to 8,381,640 and 18,298,560
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Solution
The third proportional to 8,381,640 and 18,298,560 is: 39,948,899.99
Step by Step Solution
- Step 1: Write the proportion equation
8,381,640 : 18,298,560 = 18,298,560 : x - Step 2: Convert to fraction form
8,381,640/18,298,560 = 18,298,560/x - Step 3: Cross multiply
8,381,640x = 18,298,560 × 18,298,560 - Step 4: Simplify right side
8,381,640x = 334,837,298,073,600 - Step 5: Solve for x
x = 334,837,298,073,600/8,381,640 - Step 6: Final answer
x = 39,948,899.99
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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.