Finding the Third Proportional to 8,638,131 and 18,898,506
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Solution
The third proportional to 8,638,131 and 18,898,506 is: 41,346,157.99
Step by Step Solution
- Step 1: Write the proportion equation
8,638,131 : 18,898,506 = 18,898,506 : x - Step 2: Convert to fraction form
8,638,131/18,898,506 = 18,898,506/x - Step 3: Cross multiply
8,638,131x = 18,898,506 × 18,898,506 - Step 4: Simplify right side
8,638,131x = 357,153,529,032,036 - Step 5: Solve for x
x = 357,153,529,032,036/8,638,131 - Step 6: Final answer
x = 41,346,157.99
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.